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Accurate and timely moisture measurement is important for properly compacting geomaterials during construction and to understand the environment below existing pavements. TRB hosted a webinar on Thursday, September 17, 2020 from 2:00 to 3:30 PM Eastern exploring newer, potentially less expensive and time-consuming methods that continuously measure moisture in pavement foundations. Presenters&n...

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Construction of load-carrying geosynthetic-reinforced bridge abutments are surging worldwide. The design directly supports the load of bridge girders without the need of deep foundation. TRB is hosting a webinar on Tuesday, May 26, 2020 from 2:00 to 4:00 PM Eastern that will provide an overview, comparison, and discussion of methodologies used in the design of such bridge abutments. They have ...

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Pavement preservation treatments can be evaluated and quantified in several different approaches. TRB is hosting a webinar on Thursday, March 5, from 2:00 to 3:30 PM Eastern that will explore three different approaches to quantifying the effects of pavement preservation treatments on pavement performance. The presenters will present findings from NCHRP Report 858 . They will also showcase stude...

Risk-based asset management is essential to long-term management of transportation infrastructure, including preparation for and recovery after emergency events. TRB hosted a webinar on Thursday, February 27, from 1:00 to 3:00 PM Eastern that explored how state departments of transportation can conduct statewide evaluations of roads, highways, and bridges that have been damaged due to emergency...

Unmanned aircraft systems (UASs), or drones, have broad applications. TRB hosted a webinar on Tuesday, February 25, 2020 from 2:00 to 3:30 PM Eastern that explored UAS applications for surface transportation agencies. The webinar addressed how UASs can be implemented within state departments of transportation and what their applications are. Presenters discussed challenges and opportunities reg...

Pavement preservation can be achieved in several ways, one of which is sealing cracks. TRB hosted a webinar on Monday, February 24, from 2:00 to 3:30 PM Eastern that explored better crack sealing projects. The presenters introduced key definitions and processes for crack sealing. They also recommended project selection methods and identify key steps in the crack seal process. The webinar also d...

Airport personnel were invited to a TRB webinar on Tuesday, October 22, 2019, from 2:00 PM to 3:30 PM ET. The webinar features research from the Airport Cooperative Research Program (ACRP) Research Report 205 : Revolving Funds for Sustainability Projects at Airports and Synthesis 93 : Sustainability’s Role in Enhancing Airport Capacity. This webinar identified new ways to incorporate and fund s...

Pavement management professionals were invited to a TRB webinar on Monday, October 21, 2019, from 2:00 PM to 3:30 PM ET. The webinar provided a summary of the findings from the National Cooperative Highway Research Program (NCHRP)’s Synthesis 531 Automated Pavement Condition Surveys. This Synthesis project conducted a literature search and survey of state highway and Canadian provincial agencie...

Construction professionals are invited to a TRB webinar on Wednesday, September 18, 2019, from 2:00 PM to 3:30 PM ET. The webinar features research from the National Cooperative Highway Research Program (NCHRP)’s Synthesis 534 : Emerging Technologies for Construction Delivery. The webinar will provide an overview of the current practices state departments of transportation use for construction ...

TRB conducted a webinar on Wednesday, May 15, 2019, from 2:00 PM to 3:30 PM ET that featured research from the National Cooperative Highway Research Program (NCHRP)’s Research Report 889 : Performance Measures in Snow and Ice Control Operations. This webinar provided context to the guide and described the set of performance measures that have been identified. Presenters included current practic...

TRB conducted a webinar on Tuesday, April 23, 2019, from 2:00 PM to 3:30 PM ET that examines procedures for analyzing the impacts of superheavy load (SHL) movement on flexible pavements developed under a U.S. Federal Highway Administration-sponsored research project *. SHL hauling units are much larger and heavier than standard trucks and may involve gross vehicle weights in excess of a few mil...

TRB conducted a webinar on Tuesday, March 26, 2019, from 2:00 PM to 3:30 PM ET that discusses practices for applying pavement markings. While pavement markings are a safety measure with a long history and broad use, there is a wide variety of practices, resulting in significant differences in paint quality from location to location. This webinar presented a case study of one state department of...

TRB conducted a webinar on Tuesday, February 26, 2019, from 2:00 PM to 3:30 PM ET that features research from the Airport Cooperative Research Program (ACRP) Research Report 69 : Asset and Infrastructure Management for Airports—Primer and Guidebook and ACRP Research Report 155 : Guidebook for Advanced Computerized Maintenance Management System Integration at Airports. This webinar described how...

TRB conducted a webinar on Wednesday, November 14, 2018, from 2:00 PM to 3:30 PM ET that features research from the Airport Cooperative Research Program (ACRP)’s Report 148 : LED Airfield Lighting System Operation and Maintenance. Because airports dedicate a significant component of their operating budget to operating and maintaining airfield lighting systems, LED airfield lighting offers the p...

TRB conducted a webinar on Wednesday, November 7, 2018 from 1:00 PM to 2:30 PM ET that discussed highway maintenance education programs at the associate degree level. This webinar identified the most important training needs in the highway maintenance industry, discussed how to meet these needs, and described innovative agency and industry solutions. Presenters provided case examples for achiev...

TRB conducted a webinar on Wednesday, October 31, 2018, from 2:00 PM to 4:00 PM ET that provides a practical discussion of moisture damage in asphalt pavements. The presenters discussed real-world examples of how transportation agencies have investigated moisture damage in specific projects; useful cost-benefit considerations when addressing asphalt mixtures that may be susceptible to moisture ...

TRB conducted a webinar on Tuesday, October 30, 2018 from 2:00 PM to 3:30 PM ET that discussed techniques for reducing pavement damage due to spring thaw, especially on low volume roads. These techniques include improving geometric design, properly posting spring load restrictions, and modifying drainage systems. Presenters highlighted case studies of mitigation techniques from Minnesota, New Y...

TRB conducted a webinar on Tuesday, October 2, 2018, from 2:00 PM to 3:30 PM ET that featured research from the National Cooperative Highway Research Program (NCHRP)’s Research Report 876 : Guidelines for Integrating Safety and Cost-Effectiveness into Resurfacing, Restoration, and Rehabilitation (3R) Projects. This webinar presented updated geometric design guidance for 3R projects. These guide...

TRB conducted a webinar on Wednesday, September 12, 2018 from 2:00 PM to 3:30 PM ET that explored important factors affecting service life and durability of steel culverts and buried bridges in highway applications. Presenters discussed how galvanizing works and described how design considerations, proper construction, and maintenance achieve the desired service life. They also explored design ...

TRB conducted a webinar on Monday, August 20, 2018, from 1:00 PM to 2:30 PM ET that discusses the Observation Method for Scour (OMS) tool. Bridge scour is the number one cause of bridge failures in the United States. OMS addresses uncertainties in bridge design associated with bridge scour predictions by relying significantly on past observations at the bridge. This webinar presented bridge sco...

TRB conducted a webinar on Thursday, June 21, 2018 from 2:00 PM to 3:30 PM ET that featured research from the National Cooperative Highway Research Program (NCHRP)’s Research Report 870 : Field Performance of Corrugated Pipe Manufactured with Recycled Polyethylene Content. This webinar discussed how to evaluate the field performance of corrugated high density polyethylene (HDPE) pipes manufactu...

TRB conducted a webinar on Thursday, June 7, 2018 from 2:00 PM to 4:00P M ET that that discussed the concept of fracture critical members (FCMs) in steel bridges. Over the past decade, there have been various notions about what constitutes an FCM, but it was not clearly defined. This webinar presented recent research and specifications on methods to establish if a member should be classified as...

TRB conducted a webinar on Thursday, May 17, 2018, from 2:00PM to 3:30PM ET that features research from the Airport Cooperative Research Program (ACRP)’s Report 138 Preventive Maintenance at General Aviation Airports  Volume 1 : Primer and Volume 2 : Guidebook. This research explores the value of airports to communities and the national airspace system. This webinar presented an overview ...

TRB conducted a webinar on Monday, May 7, 2018 from 2:00 PM to 3:30 PM ET that featured research from the National Cooperative Highway Research Program (NCHRP)’s Research Report 866 : Return on Investment in Transportation Asset Management Systems and Practices. This webinar discussed guidance and tools to support calculating the return on investment (ROI) for transportation agencies implementi...

TRB conducted a webinar on Tuesday, April 3, 2018 from 2:00 PM to 3:30 PM ET that identified the needs of Quality Assurance/Quality Control (QA/QC) for pavement preservation in construction operations.  Presenters described QA/QC approaches currently used by the National Center for Asphalt Technology and Minnesota Roads. They also described proposed QA/QC models from the Federal Highway Ad...

TRB conducted a webinar on Thursday, March 29, 2018, from 2:00 PM to 3:30 PM ET that explores promising pavement marking maintenance practices. This webinar focused on assessing pavement marking retroreflectivity to ensure roadways are safe for night-time travel. The presenters provided a brief update on the proposed minimum standards to the Manual on Uniform Traffic Control Devices (MUTCD), an...

TRB conducted a webinar on Monday, March 26, 2018, from 2:00PM to 3:30PM ET that presented a systematic approach toward pavement maintenance and rehabilitation planning and programming using 3D laser technology and machine learning algorithms. The presenters provided an overview of recent advances in automatic pavement distress detection. This webinar also discussed case studies of automatic pa...

TRB conducted a webinar on Thursday, March 15, 2018, from 2:00PM to 3:30PM ET that will provide an overview about the state-of-the-practice for two types of permeable concrete pavement systems and their use. This webinar focused on information in Technical Brief FHWA-HIF-16-004 .* Presenters discussed the structural and hydrological design, factors for successful construction and maintenance, a...

TRB conducted a webinar on Wednesday, February 28, 2018, from 2:00PM to 3:30PM ET that features research from the Airport Cooperative Research Program (ACRP)’s Report 159 : Pavement Maintenance Guidelines for General Aviation Airport Management and Research Report 178 : Guidance for Usage of Permeable Pavement at Airports. This webinar discussed the development of a web-based airport pavement m...

TRB conducted a webinar on Wednesday, December 6, 2017 from 2:00 PM to 3:30 PM ET that featured research from the National Cooperative Highway Research Program (NCHRP)’s Report 847 : Variability of Ignition Furnace Correction Factors. This webinar discussed the significant influences that affect the variability of asphalt and aggregate correction factors for ignition furnaces. Presenters discus...

TRB conducted a webinar on Thursday, October 19, 2017 from 2:00 PM to 3:30 PM ET that featured research from the National Cooperative Highway Research Program (NCHRP)’s Report 816 : Guide for the Preservation of Highway Tunnel Systems. Presenters examined how using an asset management process may support prioritization of highway tunnel preservation actions. They also discussed capital funding ...

TRB conducted a webinar on Wednesday, October 11, 2017, from 2:30 PM to 4:00 PM ET that provides guidance to state and municipal roadway authorities on how they may improve the prediction capabilities of their pavement management systems by incorporating recent advances in performance prediction models. The state-of-the-art of developing performance models has advanced through a more comprehens...

TRB conducted a webinar on Tuesday, October 10, 2017 from 2:30 PM to 4:00 PM ET that featured research from the National Cooperative Highway Research Program (NCHRP)’s Report 848 : Inspection Guidelines for Bridge Post-Tensioning and Stay Cable Systems Using NDE Methods. This webinar evaluated inspection guidelines of non-destructive evaluation (NDE) methods for assessing the condition of in-se...

TRB conducted a webinar on Tuesday, October 3, 2017 from 1:00 PM to 2:30 PM ET that illustrates ways to repair old bridges, close bridges, and find alternate structures or routes that adhere to budgetary restraints. Presenters discussed several options, including salvaging old parts, using accelerated bridge construction and modular construction techniques, building geosynthetic reinforced soi...

TRB will conduct a webinar on Tuesday, September 5, 2017 from 1:00 PM to 3:00 PM ET that examines how rigid pavement rehabilitation has evolved over the last several decades, and also looks towards the future with highlights of some new and innovative rehabilitation solutions. The presenters will provide various perspectives on current and innovative practices for the effective repair and reha...

TRB conducted a webinar on Thursday, August 17, 2017 from 2:00 PM to 3:30 PM ET that featured research from the National Cooperative Highway Research Program (NCHRP)’s Synthesis 500 : Control of Concrete Cracking in Bridges. This webinar examined the methods used to control concrete cracking in bridge superstructures and substructures and on the influence of cracking on long-term durability. Th...

  TRB will conduct a webinar on Monday, July 31, 2017 from 2:00 PM to 4:00 PM ET that examines how flexible pavement rehabilitation has evolved over the past several decades, and also looks toward the future with highlights of some new rehabilitation solutions. The presenters will provide various perspectives on current and innovative practices for the effective repair and rehabilitation ...

TRB will conduct a webinar on Thursday, June 15, 2017 from 2:00PM to 3:30PM ET that features research from the National Cooperative Highway Research Program (NCHRP)’s Report 833 : Assessing, Coding, and Marking of Highway Structures in Emergency Situations. This webinar will discuss the manual that resulted from this research, which provides a scalable approach for transportation agencies to as...

TRB will conduct a webinar on Wednesday, May 31, 2017 from 1:00PM to 2:30PM ET that features research from the National Cooperative Highway Research Program (NCHRP)’s Synthesis 493 : Practices for High-Tension Cable Barriers. This webinar will summarize the current state-of-the-practice for high-tension cable barriers (HTCB) used in the medians of access-controlled roadways in the United States...

TRB conducted a webinar on Thursday, May 18, 2017 from 2:00PM to 3:30PM ET that features research from the National Cooperative Highway Research Program (NCHRP)’s Report 822 : Evaluation and Assessment of Environmentally Sensitive Stream Bank Protection Measures. This webinar addressed existing guidelines for the design, installation, monitoring, and maintenance of environmentally sensitive str...

TRB conducted a webinar on Thursday, April 27, 2017, from 2:00PM to 3:30PM ET on how pavement texture measurements correlate with functional performance. Pavement texture is defined by the irregularities on a pavement surface that deviate from an ideal, perfectly flat surface. Texture influences many surface characteristics, including measures of road safety, friction, smoothness, splash and sp...

TRB conducted a webinar on Wednesday, April 12, 2017, from 2:00 PM to 3:30 PM ET that featured different examples of how technology can be implemented and leveraged to improve highway maintenance decision-making through more feature-rich data. Presenters focused on technologies to assess signs and markings, Light Detection and Ranging (LIDAR)-based asset inventory, and how to make data collecti...

TRB conducted a webinar on Thursday, April 6, 2017, from 1:00 PM to 2:30 PM ET about training and career development strategies that may help build and sustain a highly effective maintenance and operations workforce. This is the second in a series of webinars on surface transportation workforce. The first webinar was conducted in August 2016. The surface transportation maintenance and operation...

TRB conducted a webinar on Thursday, March 30, 2017 from 2:00 to 3:30 PM ET that featured research from the National Cooperative Highway Research Program (NCHRP)’s Synthesis 492 : Performance Specifications for Asphalt Mixtures. This webinar explored performance tests for volumetric properties of asphalt mixtures. Performance tests are intended to extend service life by guiding material selecti...

TRB conducted a webinar on Monday, March 20, 2017, from 2:00PM to 3:30PM ET about approaches that practitioners may use to alleviate joint deterioration in concrete pavement. This webinar presented challenges in maintaining concrete pavement and solutions to mitigate joint damage and thereby increase the service life of concrete pavement. The presenters described recent advancements in understa...

TRB conducted a webinar on Thursday, March 9, 2017, from 2:00PM to 3:30PM ET about permeable concrete pavements. This webinar focused on information in Technical Brief FHWA-HIF-16-004 *. Presenters discussed two types of permeable concrete pavements and their use in structural and hydrological design. They will addressed factors for successful construction and maintenance of permeable concrete ...

TRB conducted a webinar on Wednesday, February 22, 2017, from 2:00PM to 3:30PM ET on springtime damage to roads and seasonal load limits. Low-volume roads in seasonal frost areas are susceptible to damage from heavy vehicles during the spring thaw. The maintenance-free life of a low-volume road in a seasonal frost area averages less than half that of a similar road in a nonfrost area. Some tran...

TRB conducted a webinar on Monday, January 30, 2017 from 2:00 to 3:30PM ET that featured research from National Cooperative Highway Research Program (NCHRP) Project 14-26: Culvert and Storm Drain System Inspection Manual.* The NCHRP manual updates the 1986 Federal Highway Administration’s Culvert Inspection Manual and reflects industry changes, such as new pipe types, culvert design for alterna...

TRB conducted a webinar on Tuesday, December 6, 2016, from 2:00PM to 3:30PM ET on the use of cathodic protection to preserve a bridge or extend its service life. By applying a small amount of direct current to a bridge’s steel, cathodic protection can potentially protect a bridge in corrosive environments where routine maintenance activities, such as deck cleaning, joint sealing, and bearing lu...

TRB conducted a webinar on Tuesday, November 15, 2016 from 1:00PM to 2:30PM ET on material from Chapter 5 of National Cooperative Highway Research Program (NCHRP) Synthesis 445 : Practices for Unbound Aggregate Pavement Layers. This webinar demonstrated how natural mineral aggregate and recycled/by-product aggregate, as used in granular base and subbase, is successfully compacted to form paveme...

TRB conducted a webinar on Tuesday, October 25, 2016 from 2:00PM to 3:30PM ET that focuses on determining an existing pavement’s layer elastic moduli using non-destructive Falling Weight Deflectometer (FWD) testing and the backcalculation of deflection data. These practices are documented by the American Association of State Highway and Transportation Officials (AASHTO) Mechanistic-Empirical Pa...

TRB conducted a webinar on Thursday, October 6, 2016 from 2:00PM to 3:30PM ET that discusses the performance grading system for hot-poured crack sealants. Crack sealants can be a cost-effective preventative maintenance method for pavements. When properly installed, crack sealants can extend pavement service life for as many as five years. This webinar discussed research from two U.S. Federal Hi...

TRB conducted a webinar on Tuesday, September 6, 2016 from 2:00PM to 3:30PM ET that featured selected papers from TRB’s 11th International Low Volume Road Conference, which was held in July 2015. This webinar included presentations on pavement design, holding strategies for deteriorated low volume roads, and new approaches for upgrading gravel roads. This webinar was organized by the TRB Standi...

TRB conducted a webinar on Monday, August 22, 2016 from 1:00PM to 2:30PM ET that discussed the construction of unbound aggregate layers. Roads last longer when unbound aggregate layers are built well. Because it is important to compact materials at the correct moisture levels, accurate and fast measurements of moisture and compaction during construction can improve quality and long term perform...

TRB conducted a webinar on Thursday, August 18, 2016 from 1:00PM to 2:30PM ET that focuses on the rapid changes in the surface transportation maintenance and operations workforce. Factors such as increasing retirement rates, downsizing staff, recruiting and retaining qualified employees, shifting responsibilities, and expanding the use of advanced technologies are influencing these changes. Thi...

TRB conducted a webinar on Thursday, August 4, 2016 from 2:00PM to 3:30PM ET that discusses corrosion control. Corrosion poses a risk to public safety and the environment; the annual direct cost of corrosion in the United States is estimated to be more than 3 percent of national GDP. This webinar helped engineers bridge the gap between academic research and practices to address corrosion infras...

TRB conducted a webinar on Monday, June 27, 2016, from 2:00 to 3:30PM ET that featured research from National Cooperative Highway Research Program (NCHRP) Report 810 : Consideration of Preservation in Pavement Design and Analysis Procedures. This research examined three methods for examining the effectiveness of pavement preservation: developing response models that consider preservation in mec...

TRB conducted a webinar on Monday, June 20, 2016, from 2:00 to 3:30PM ET that featured research from National Cooperative Highway Research Program (NCHRP) Synthesis 464 : Thin Asphalt Concrete Overlays. These overlays may be useful for pavement maintenance, rehabilitation, and preservation. This webinar focused on the results of a survey on thin lift overlays and selecting the appropriate thin ...

TRB conducted a webinar on Tuesday, June 7, 2016 from 2:00PM to 4:00PM ET on Quality Management Plans (QMP) for Effectively Collecting Network Data on Pavement Conditions.  Pavement condition data is used to model pavement performance, project future pavement condition, develop recommendations for future treatments, and evaluate program effectiveness. This webinar discussed how QMPs can he...

TRB conducted a webinar on Wednesday, May 25, 2016, from 2:00 to 3:30PM ET that discussed the causes of cracking in concrete, how to measure cracking, and how to reduce it. This webinar explained how minimizing cracking can extend the service life of various structures, and illustrated real life applications of crack reduction in design and construction. This webinar was organized by the TRB St...

TRB conducted a webinar on Tuesday, May 10, 2016 from 2:00PM to 3:30PM ET that featured research from National Cooperative Highway Research Program (NCHRP) Synthesis 473 : Indefinite Delivery/Indefinite Quantity Contracting Practices. Indefinite Delivery/Indefinite Quantity (IDIQ) contracting practices are used by transportation agencies for highway design, construction, and maintenance contrac...

TRB conducted a webinar on Wednesday, March 9, 2016 from 1:00PM to 3:00PM ET that covered lessons learned from more than 10 years of using Full-Depth Reclamation (FDR) to rehabilitate deteriorated pavements. This webinar discussed experiences and identified mechanisms for ensuring that problems are not repeated on future projects. This webinar has been adapted from a workshop on the topic prese...

TRB conducted a webinar on Tuesday, March 8, 2016 from 2:00PM to 4:00PM ET that examined research conducted by University of Nevada, Reno as part of the Asphalt Research Consortium (ARC) sponsored by the U.S. Federal Highway Administration (FHWA). ARC developed a model for thermal cracking analysis in asphalt pavements. This webinar explored how this model’s modifications may remedy the limitat...

TRB conducted a webinar on Monday, February 29, 2016 from 2:00PM to 3:30PM ET that examined how transportation organizations in Europe deal with the challenges posed by adverse weather in their respective countries. This webinar discussed what their winter materials and chemicals of choice are, what equipment they use, and their procedural strategies. By exploring winter maintenance activities ...

TRB conducted a webinar on Monday, February 22, 2016  from 2:00 to 3:30 PM ET that featured research conducted by TRB’s Airport Cooperative Research Program (ACRP) that introduced airport operation and maintenance personnel to tools, techniques, and practices that may be used to assist them in optimizing performance. This webinar provided 1.5 Continuing Education Units for Accredited Airpo...

TRB conducted a webinar on January 28, 2016 from 2:00 PM to 3:30 PM ET that examined continuously reinforced concrete pavement (CRCP). This webinar provided an overview of the CRCP technology and the major developments that have led to promising practices for CRCP design, construction, repair and rehabilitation, and maintenance of traffic around the world. This was the third in a three part ser...

TRB conducted a webinar on Tuesday, December 8, 2015, from 2:00-3:30 PM ET that explored the range of impacts from roadside mowing, with a focus on the reasons and consequences of mowing beyond the first pass along the pavement edge. The webinar highlighted the benefit/cost tradeoffs between the traditional historic approach of widespread routine roadside mowing, and the use of Integrated Roads...

TRB recorded presentations in November 2015 that explore ways to improve the safety of airport runways during construction projects. The presentations highlight case studies from a three-year study involving the U.S. and France on minimizing runway hazards. Presenters' email addresses are included below for viewers who have questions about the presentations. The videos are available on-demand a...

TRB conducted a webinar on Tuesday, December 1, 2015, from 2:00 to 3:30 PM ET that featured research conducted by TRB’s Airport Cooperative Research Program (ACRP). The research discussed the need for conducting climate change risk assessments at airports, and how to plan for adaption and resilience to mitigate such potential risks. This webinar provided 1.5 Continuing Education Units for Accre...

TRB conducted a webinar on Thursday, October 15, 2015 from 1:00 PM to 3:00 PM ET that highlighted the contribution of transportation to a sustainable society, the importance of maintenance and operations in transportation, and ways that maintenance and operations may support a sustainable transportation program. Presenters reviewed a goal-oriented, performance-based approach toward sustainabili...

TRB recorded presentations in September and October 2015 that focused on the proper preparation and installation techniques for crack sealing asphalt concrete pavements. This is the second installment in a series. The videos in this installment featured the types of installation equipment necessary, and highlighted promising practices and materials that could be used to ensure successful sealan...

TRB conducted a webinar on Wednesday, October 7, 2015 from 2:00 PM to 3:30 PM ET that discussed Structural Health Monitoring (SHM), which is a process aimed at providing accurate and in-time information concerning structural condition and performance of bridges. It consists of permanent continuous, periodic, or periodically continuous recording of representative parameters, over short or long t...

TRB conducted a webinar on Tuesday, September 22, 2015, from 2:00 to 3:30 PM ET that featured research conducted by TRB’s Airport Cooperative Research Program (ACRP) specific to General Aviation Airports. Special topics of concern included back-country airstrip preservation and evaluating methods for obtaining aircraft operations counts at non-towered airports. Participants must register in adv...

TRB conducted a webinar on Wednesday, September 9, from 2:00 PM to 4:00 PM ET that featured research conducted by TRB’s Airport Cooperative Research Program (ACRP). The research provided airport managers, operators, planners, and maintenance personnel with effective information and tools to mitigate safety risks at airport caused by wildlife populations, including special considerations when de...

TRB conducted a webinar on August 31, 2015, from 1:00pm to 3:00pm ET that covered the lateral force-displacement relationship of bridge substructure units. This webinar is an abbreviated version of a workshop that focused on the flexural mechanics of pushover analysis and the methods that can be used to check computer-generated results by hand. The webinar will provide guidance for designing ea...

TRB conducted a webinar on August 24, 2015, from 2:00pm to 4:00pm ET that presented the main mechanisms responsible for reflective cracking. Webinar presenters also introduced an evaluation of different mitigation strategies based on past research and evaluation studies. Reflection cracking is a serious challenge associated with pavement rehabilitation. Practical experience shows that reflectio...

TRB conducted a webinar on August 18, 2015, from 2:00pm to 3:30pm ET that covered ongoing and recently completed work in flexible pavement preservation. Webinar presenters discussed Otta Seals (a new technology for many state agencies), and performance-related specifications for chip seals. This webinar was organized by the TRB Standing Committee on Pavement Preservation. A certificate for 1.5 ...

TRB conducted a webinar on July 29, 2015, from 2:00pm to 3:30pm ET that shared experiences from transportation agencies that have successfully developed a methodology for Winter Severity Indices (WSI) and have used it to measure and report performance. Three speakers—two from two state departments of transportation and a representative from Canada—presented their respective agency's approach. A...

TRB conducted a webinar on May 21, 2015, from 2:00pm to 3:30pm ET that featured research conducted by TRB’s Airport Cooperative Research Program (ACRP) on project risk management and safety risk management. Webinar presenters discussed promising practices and practical applications to assist airport stakeholders in managing risk, as well as how new and well-known tools can be applied to achieve...

TRB conducted a webinar on April 8, 2015, from 11:00am to 12:30pm ET that covered select findings of current or recently completed research on rigid pavement preservation. Webinar presenters discussed savings from preservation, shotblasting, grinding, and grooving in Oklahoma, as well as describe permeable concrete maintenance issues studied in Canada. Webinar presenters also provided a brief o...

TRB conducted a webinar on April 1, 2015, from 1:00pm to 2:30pm ET that covered NCHRP Synthesis 463: Pavement Patching Practices , which summarizes current practices for patching small-scale defects in concrete and asphalt practices. Webinar presenters discussed the results of a literature search and a state survey related to pavement patching and repair, as well as present case studies and pre...

TRB conducted a webinar on February 9, 2015, from 2:00pm to 3:30pm ET that highlighted available highway maintenance training opportunities, how to select the appropriate training and certification program, and the available resources that bring these programs to agency personnel. Highway maintenance workers and managers need to have a well diverse background to meet the demands of their jobs. ...

TRB conducted a webinar on December 17, 2014, from 11:00am to 12:30pm ET that reviewed NCHRP Synthesis 449: Strategies to Mitigate the Impacts of Chloride Roadway Deicers on the Natural Environment . This publication documents the range of methods, tools, and techniques used by transportation agencies to minimize the environmental impact of chloride-based roadway deicers. A certificate for 1.5 ...

TRB conducted a webinar on November 6, 2014, from 1:00pm to 2:30pm ET that described how to obtain a justifiable return on investment from implementing a structural health monitoring (SHM) program for bridges. This webinar was the second of a two-part series highlighting structural health monitoring. The first webinar, Practical Structural Health Monitoring for Bridge Owners , was held on ...

TRB conducted a webinar on October 22, 2014, from 2:00pm to 3:30pm ET that presented how to organize a meaningful structural health monitoring (SHM) program. Webinar presenters discussed the perspective of a state department of transportation (DOT) and highlighted case studies. This webinar was the first of a two-part series highlighting structural health monitoring. The second webina...

TRB conducted a webinar on October 2, 2014 that examined transportation agencies’ performance metrics, data, and sources, as well as the systems and tools for performance evaluation in maintenance and operations for resilience in adverse weather events. Webinar presenters discussed rationales for selecting options, such as cost, anticipated reduction in damage, and other negative impacts. Conta...

As part of the SHRP2 Tuesdays Webinar Series, TRB conducted a webinar on September 30, 2014 that discussed the unique fingerprint of common construction materials in the field and data sets for the unique signatures of many common construction materials. View the recorded webinar .  The objective of SHRP 2 Renewal Project R06B was to identify and evaluate practical hand-held equipment—such...

TRB conducted a webinar on September 23, 2014, from 2:00pm to 3:30pm ET that covered the practitioners' guide portion of NCHRP Report 750: Strategic Issues Facing Transportation, Volume 2: Climate Change, Extreme Weather Events, and the Highway System: Practitioner’s Guide and Research Report . A certificate for 1.5 Professional Development Hours (PDHs) was provided to attendees who regist...

TRB conducted a webinar on September 18, 2014 that provided information on the sustainability assessment of pavement systems. Webinar presenters discussed life-cycle assessment and pavement rating systems, with an emphasis on how these tools are being implemented by transportation agencies to improve the sustainability of their pavement systems. Contact Reggie Gillum at RGillum@nas.edu for info...

TRB conducted a webinar on September 10, 2014, from 2:00pm to 3:30pm ET that provided an understanding of airport environmental sustainability practices, the impacts they may have on day-to-day operations and maintenance, and how to drive performance improvements through contract language. TRB Webinar: Evaluating and Improving Airport Environmental Sustainability Practices from The National Aca...

TRB conducted a webinar on August 25, 2014, from 2:00pm to 3:30pm ET that presented the findings of NCHRP Report 784: Best Practices for Crack Treatments for Asphalt Pavements . The webinar summarized practices used for crack sealing and crack filling in asphalt pavements. The presenter highlighted situations when state-of-the-art practices differ from the state of the practice, and identified ...

TRB conducted a webinar on July 30, 2014, from 12:30pm to 2:00pm ET that summarized how MAP-21 encourages state departments of transportation to develop and report on performance measures as part of their transportation asset management plan. A certificate for 1.5 Professional Development Hours (PDHs) was provided to attendees who registered and attended the webinar as an individual. Conta...

TRB conducted a webinar on July 29, 2014, from 3:00pm to 4:30pm ET that provided a summary of the “Transit State of Good Repair” track of the TRB Tenth Conference on Asset Management, held in April 2014. In addition to sharing strategies for developing practical solutions for asset management, webinar presenters demonstrated how an asset management program can both improve an agency's business ...

As part of the SHRP2 Tuesdays Webinar Series, TRB conducted a webinar on June 24, 2014, from 2:00pm to 3:30pm ET that summarized the SHRP 2 project Assessment of Continuous Deflection Measuring Technologies. There was no fee to attend this webinar or other webinars in the SHRP 2 Series. A certificate for 1.5 Professional Development Hours (PDH) was provided to attendees who regis...

TRB conducted a webinar on June 11, 2014, from 1:00pm to 2:30pm ET that addressed how climate change and extreme weather events are expected to impact the transportation system. The session also explored how asset managers can begin to prepare for these impacts. A certificate for 1.5 Professional Development Hours (PDHs) was provided to attendees who registered and attended the webinar as an in...

As part of the SHRP2 Tuesdays Webinar Series, TRB conducted a webinar on June 10, 2014, from 2:00pm to 3:30pm ET that summarized SHRP 2 Project R11: SHRP 2 Strategic Approaches at the Corridor and Network Levels to Minimize Disruption from the Renewal Process . View a link to the  recorded webinar . Project R11 produced software to analyze the impacts on road users of multiple, concurrent ...

TRB conducted a webinar on May 19, 2014, from 2:00pm to 3:30pm ET that covered presentations on data issues, risk analysis tools, and information technology (IT) implementation that were at the 10th National Conference on Transportation Asset Management (TAM) in April 2014. A certificate for 1.5 Professional Development Hours (PDHs) was provided to attendees who registered and attended the webi...

TRB conducted a webinar on May 15, 2014, from 12:30pm to 2:00pm ET that discussed various aspects of Transportation Asset Management (TAM) implementation at five state departments of transportation. A certificate for 1.5 Professional Development Hours (PDHs) was provided to attendees who register and attend the webinar as an individual. Contact Reggie Gillum at RGillum@nas.edu for instructions ...

As part of the SHRP2 Tuesdays Webinar Series, TRB conducted a webinar on May 13, 2014, from 2:00pm to 3:30pm ET that summarized SHRP 2 Project R04: Innovative Bridge Designs for Rapid Renewal , which produced SHRP 2 Report S2-R04-RR-2: Innovative Bridge Designs for Rapid Renewal Toolkit . There was no fee to attend this webinar or other webinars in the SHRP 2 Series; however, participants must ...

As part of the SHRP2 Tuesdays Webinar Series, TRB conducted a webinar on May 6, 2014, from 2:00pm to 3:30pm ET that summarized SHRP 2 Project R19B: Bridges for Service Life beyond 100 Years: Service Limit State Design . There was no fee to attend this webinar or other webinars in the SHRP 2 Series; however, participants must register in advance. A certificate for 1.5 Professional Development Ho...

TRB conducted a webinar on April 30, 2014, from 1:00pm to 3:00pm ET that explored current topics on rockfall mitigation and management. This webinar was the second of a two-part series highlighting rockfall mitigation. In addition to providing substantive technical content on the topic, the webinars were intended to bring attention to the 2013 Transportation Research Board publication Rockfall:...

TRB conducted a webinar on April 24, 2014, from 1:00pm to 3:00pm ET that explored current topics on rockfall characterization. This webinar was the first of a two-part series highlighting rockfall mitigation. In addition to providing substantive technical content on the topic, the webinars were intended to bring attention to the 2013 Transportation Research Board publication Rockfall: Character...

As part of the SHRP2 Tuesdays Webinar Series, TRB conducted a webinar on April 22, 2014 from 2:00 pm to 3:30 pm ET that explored the SHRP 2 project High-Speed Nondestructive Testing Methods for Mapping Voids, Debonding, Delaminations, Moisture, and Other Defects Behind or Within Tunnel Linings . View recorded webinar . The webinar summarized SHRP 2 Project R06G , which identified nondestructive...

As part of the SHRP2 Tuesdays Webinar Series, TRB conducted a webinar on February 4, 2014 from 2:00 pm to 3:30 pm ET that explored the SHRP 2 project Pavement Renewal Solutions (R23) . View the recorded webinar . This webinar summarized the SHRP 2 Pavement Renewal Solutions research project, which provides tools for the design and construction of long-life pavements using existing pavements in-...

TRB conducted a webinar on January 8, 2014 from 2:00pm to 3:30pm ET that explored the Capability Maturity Model (CMM). The CMM, developed by TRB’s second Strategic Highway Research Program (SHRP 2), aims to improve transportation systems management and operations (see corresponding report and guide ). Contact Reggie Gillum at RGillum@nas.edu for instructions on receiving a copy of the reco...

TRB conducted a webinar on December 4, 2013 from 1:00 p.m.-3:00 p.m. ET that highlighted research on the mechanism underlying asphalt healing and how it can be used in practice. Researchers introduced new ideas on the characterization and modeling of asphalt healing and explored how to employ these new ideas in practice. Researchers and practitioners were encouraged to atten...

TRB conducted a webinar on October 30, 2013 from 2:00 p.m.- 4:00 p.m. ET that summarized slag cement material characteristics, specifications, and its effect on fresh and hardened concrete properties. Contact Reggie Gillum at RGillum@nas.edu for more information on obtaining the recorded webinar. Webinar presenters will describe case studies from long-term field applications in transportation s...

TRB conducted a webinar on October 23, 2013 from 2:00 p.m.- 3:30 p.m. ET that will highlight TRB’s National Cooperative Highway Research Program (NCHRP) Research Results Digest 268 : Performance of Pavement Subsurface Drainage, which provides information about the overall effectiveness of subsurface drainage on the performance of flexible and rigid pavements, focusing on permeable bases. Contac...

TRB conducted a webinar on September 10, 2013 that explored a methodology to compare the effect of the new generation wide-base tires and dual tire assembly on flexible pavement damage. Contact Reggie Gillum at RGillum@nas.edu for instructions on obtaining a link to the recording.  Webinar presenters will cover a brief history of wide-base tires (WBT) development and the environm...

TRB conducted a webinar on August 27, 2013 from 2:00 p.m.- 4:00 p.m. ET that presented  TRB’s National Cooperative Highway Research Program (NCHRP)  Synthesis 430: Cost-Effective and Sustainable Road Slope Stabilization and Erosion Control . Contact Reggie Gillum at RGillum@nas.edu for more information about the webinar recording. The presenters will share their experiences implementi...

As part of the SHRP2 Tuesdays Webinar Series, TRB conducted a webinar on August 20, 2013 from 2:00 p.m.- 3:30 p.m. ET that explored the report Managing Risk in Rapid Renewal Projects , which provides transportation agencies with tools and guidance for quantifying risks and developing a risk management process that is needed to manage all types of project complexities. View the recorded webinar ...

As part of the SHRP2 Tuesdays Webinar Series, TRB conducted a webinar on July 30, 2013 from 2:00 p.m.- 3:30 p.m. ET that explored the report Identification of Utility Conflicts and Solutions , which provides concepts and procedures that public agencies and utilities can use to identify and resolve utility conflicts, in order to help improve the highway project development process. View the webi...

TRB conducted a webinar on July 24, 2013 from 2:00 p.m.- 3:30 p.m. ET that highlighted TRB’s National Cooperative Highway Research Program report: Fuel Usage Factors in Highway and Bridge Construction , which provides information on fuel usage factors for work items in the construction and maintenance of highways and bridges. View the recorded webinar . The webinar will introduce the research p...

** This webinar experienced technical difficulties on June 25. We will be broadcasting the second-half of the webinar on June 26, 2013 from 2:00 p.m. - 3:00 p.m. ET. Please re-register to view this June 26 webinar . TRB will conduct a webinar on June 25, 2013 from 2:00 p.m.- 4:00 p.m. ET that will present the results of a recently completed pooled fund research project on subsurface drainage fo...

As part of the SHRP2 Tuesdays Webinar Series, TRB conducted a webinar on June 11, 2013 from 2:00 p.m.- 3:30 p.m. ET that explored the project Performance Specifications for Rapid Renewal , which addresses the obstacles of defining fair and meaningful specification requirements when implementing rapid renewal performance specifications. View the recorded webinar . The benefits of performance spe...

TRB conducted a webinar on May 29, 2013 from 2:00 p.m.- 4:00 p.m. ET that presented the results of a recently completed pooled fund research project on subsurface drainage for slope stabilization. Contact Reggie Gillum at RGillum@nas.edu for information on accessing a link to the recorded webinar. This first webinar of a two-part series will introduce the research project, explain the limitatio...

As part of the SHRP2 Tuesdays Webinar Series , TRB conducted a webinar on May 21, 2013 from 2:00 p.m.- 3:30 p.m. ET that explored Nondestructive Testing to Identify Concrete Bridge Deck Deterioration , a report and toolbox developed by the second Strategic Highway Research Program (SHRP 2) Renewal Project R06A. View the recorded webinar . Concrete bridge decks in poor structural condition are a...

TRB conducted a webinar on May 8, 2013 from 2:00 p.m.- 3:30 p.m. ET that explored strategies for improving the quality of pavement management data and techniques for evaluating a pavement program’s overall data quality. Contact Reggie Gillum at RGillum@nas.edu for instructions on receiving a link to the recorded webinar. This webinar was organized by the TRB Standing Committee on Pavement ...

TRB conducted a webinar on April 30, 2013 from 2:00 p.m.- 4:00 p.m. ET that will provide an overview of basic, promising practices for concrete paving, and the effects these practices may have on long term pavement performance. Contact Reggie Gillum at RGillum@nas.edu for instructions on accessing a link to the recorded webinar.  Webinar Presenters: Michael E. Ayers, Global Pavement Consul...

TRB co-sponsored a live-streaming webinar on April 18, 2013, from 3:30 p.m-4:30 p.m. EDT that explored the results of TRB’s National Cooperative Highway Research Program (NCHRP) Report 742: Communicating the Value of Preservation: A Playbook . To access the recording of the webinar, use the email address used to pre-register for the webinar, or use the emaiil address login@discovervideo.com. Qu...

TRB conducted a webinar on April 11, 2013, from 1:00p.m.- 2:30 p.m. ET that highlighted TRB’s National Cooperative Highway Research Program report: Guidelines for the Use of Mobile LIDAR in Transportation Applications . Contact Reggie Gillum at RGillum@nas.edu for instructions on receiving a link to the webinar recording. Mobile LIDAR is a new 3D technology that offers a promising way to help t...

TRB conducted a webinar on February 7, 2013, from 2 p.m.- 4 p.m. ET that explored the results of a National Cooperative Highway Research Program (NCHRP) Project, “ Sensitivity Evaluation of MEPDG Performance Prediction .” Contact Reggie Gillum at  RGillum@nas.edu  for details to access a link to the recorded webinar. The MEPDG provides methodologies for the analysis and performance pr...

TRB conducted a webinar on January 30, 2013, from 12:00 p.m-2:00 p.m ET that provided an overview of potential risks for enhanced moisture-induced damage and practices for preventing damage by examining pavements used in Europe and the United States. Contact Reggie Gillum at RGillum@nas.edu for details to access a link to the recorded webinar. Moisture-induced damage in asphalt concrete wearing...

TRB conducted a webinar on November 13, 2012, from 12:30 p.m.-2:30 p.m. ET that examined the history and development of Portland-Limestone Cement (PLC) in North America. Participants must register in advance of the webinar, and there is a fee for non-TRB Sponsor employees. Contact Reggie Gillum at  RGillum@nas.edu  for information on obtaining a link to the recorded webinar. This web...

TRB conducted a webinar on October 31, 2012, from 2:00 p.m.-4:00 p.m. ET that explored pavement measurement standards and how these standards have been used to both identify and optimize quieter pavements nationwide. Contact Reggie Gillum at  RGillum@nas.edu  for information on obtaining a link to the recorded webinar. This webinar complements a TRB webinar previously conducted o...

TRB conducted a webinar on October 23, 2012, from 2:00 p.m.-3:30 p.m. ET that introduced new performance based sealant grading specifications for hot-poured crack sealants. Contact Reggie Gillum at  RGillum@nas.edu  for information on obtaining a link to the recorded webinar. The webinar will explore the findings of the completed U.S. Federal Highway Administration (FHWA) Pooled...

TRB conducted a webinar on September 19, 2012, from 2:00 p.m.-4:00 p.m. ET that summarized the current trends in transportation asset management related to pavement and bridges.  Contact Reggie Gillum for a recording of the webinar. The webinar will highlight sessions conducted at the 9th National Conference on Asset Management, which took place on April 16-18, 2011, in San Diego, Califor...

TRB conducted a webinar on September 7, 2012, from 2:00 p.m.-3:30 p.m. ET that explored the use of nanomaterials in asphalt binders used for paving applications. To request a recording of this webinar, email Reggie Gillum . The use of nanomaterials in pavement construction, particularly asphalt binders has the potential to lead to enhanced mechanical properties. Preliminary research demonstrat...

TRB conducted a webinar on August 2, 2012, from 2:00 p.m.-4:00 p.m. ET that explored the use ground tire rubber in asphalt products. Contact Reggie Gillum at  RGillum@nas.edu  for information on receiving a recording of this webinar. The utilization of scrap tire rubber in asphalt products started in the mid-1960s for use in asphalt surface treatments as a pavement preservation pract...

TRB conducted a webinar on July 25, 2012, from 2:00 p.m.-3:30 p.m. ET that explored flexible pavement performance prediction research undertaken as a part of a National Highway Cooperative Research Program (NCHRP) project . Contact Reggie Gillum at RGillum@nas.edu for a link to the recorded webinar. The Mechanistic-Empirical Pavement Design Guide (MEPDG) Manual of Practice provides methodologie...

TRB conducted a webinar on June 20, 2012, from 2:00 p.m.-4:00 p.m. ET that will explore efforts and techniques to implement asset management practices within a transportation organization. Contact Reggie Gillum at RGillum@nas.edu for more details on receiving a link to the webinar recording. The webinar will highlight sessions conducted at the 9th National Conference on Asset Management, which ...

TRB conducted a webinar on April 10, 2012, that explored techniques for maintaining and managing granular surfaced roads. Participants must register in advance of the webinar, and there is a fee for non-TRB Sponsor employees. Contact Reggie Gillum at RGillum@nas.edu to request a recording of the webinar. Webinar presenters will share techniques for maintaining and managing granular surfaced roa...

TRB conducted a webinar on April 4, 2012, that explored methods to reduce sediment erosion from native and aggregate surfaced low-volume roads. Contact Reggie Gillum at  RGillum@nas.edu  to request a recording of the webinar.  This webinar will explore research conducted in the Pacific Northwest and Pennsylvania that tested alternative unbound aggregate treatments for the road su...

TRB conducted a web briefing or "webinar" on January 12, 2012, from 2:00 p.m.-4:00 p.m. EST that will explore the findings of a forthcoming TRB’s National Cooperative Highway Research Program (NCHRP) report about the optimization of tack coat for hot-mix asphalt placement. The report will be published in the first quarter of 2012. Contact Reggie Gillum at RGillum@nas.edu to request a recording...

TRB conducted a web briefing or "webinar" on November 9, 2011 explored elementary equipment and soil testing methods that do not use sophisticated laboratory equipment. Contact Reggie Gillum at RGillum@nas.edu to request a recording of the webinar. The purpose of this webinar is to increase the ability of low-volume road managers who do not have access to laboratory testing facilities to make r...

TRB conducted a web briefing or "webinar" on November 2, 2011 that addressed the findings of TRB’s National Cooperative Highway Research Program (NCHRP) Report 699: Guidelines for the Use of Pavement Warranties on Highway Construction Projects . Contact Reggie Gillum at RGillum@nas.edu to request a recording of the webinar. TRB’s National Cooperative Highway Research Program (NCHRP) Report 699:...

TRB conducted a web briefing or "webinar" on October 12, 2011, that explored applications of advanced models to characterize, evaluate, and design asphalt pavements.  Presenters discussed the integration of material characterization and structural design to predict performance. Attendees learned more about laboratory experiments that could determine the parameters of mechanistic models and...

TRB conducted a web briefing or "webinar" on September 12, 2011, from 2:00 p.m. - 4:00 p.m. EDT that explored procedures for designing dense-graded, asphalt concrete mixtures that will be produced using currently available warm-mix asphalt (WMA) processes. WMA refers to asphalt concrete mixtures that are produced at temperatures approximately 50°F (28°C) or more cooler than typically used in th...

On August 24, 2011, TRB conducted a web briefing or "webinar" that explored principles and practices of designing and constructing quieter pavements.  Designing and constructing quieter pavements can be accomplished using the same materials and techniques commonly used today.  However, there remain knowledge gaps in how to do so effectively, and without compromising other importa...

TRB’s second Strategic Highway Research Program (SHRP 2), in cooperation with the Federal Highway Administration (FHWA) and the American Association of State Highway and Transportation Officials (AASHTO), is hosting a webinar on August 10, 2011, from 1:00 to 3:00 PM EDT that will explore four active SHRP 2 utility-related research projects to increase the awareness of SHRP 2 utility-related res...

On June 29, 2011, TRB conducted a web briefing or "webinar" that explored the impacts of moisture on in-service pavements including the sources of moisture intrusion and potential effects on pavement performance.  For more details, view a summary of the webinar. A webinar recording is not available for this webinar.

On June 1, 2011, TRB conducted a web briefing or "webinar" that explored construction requirements and improved practices to construct continuously reinforced concrete pavements (CRCP). For more details, view a summary of the webinar. Email Reggie Gillum at  RGillum@nas.edu to receive a link to the recording of this session. There is no fee for employees of TRB sponsors to receive th...

On April 20, 2011, TRB conducted a web briefing or "webinar" that explored activities historical evolution, design, and United States experience with continuously reinforced concrete pavements (CRCP) . For more details,  view a summary of this webinar.  Email Reggie Gillum at  RGillum@nas.edu to receive a link to the recording of this session. There is no fee for employees ...

On February 16, 2011, TRB conducted a web briefing or "webinar" that explored improved practices for design, construction, and preservation of concrete pavements using dowel bars.   For more details, view a summary of this webinar.  Email Reggie Gillum at  RGillum@nas.edu to receive a link to the recording of this session. There is no fee for employees of TRB sponsors to re...

On December 15, 2010, TRB conducted a web briefing or "webinar" that explored the use of Quality-Related Specification Software (QRSS), a performance-related specification for hot-mix asphalt (HMA) pavement construction.  For more details, view a summary of this webinar.  Email Reggie Gillum at  RGillum@nas.edu to receive a link to the recording of this session. There is no fee ...

On December 8, 2010, TRB conducted a web briefing or "webinar" that explored ways to design and construct long-life concrete pavements (LLCP), state experiences implementing LLCPs, and incremental costs of LLCPs.  For more details, view a summary of this webinar.  Email Reggie Gillum at  RGillum@nas.edu to receive a link to the recording of this session. There is no fee for...

On November 29, 2010, TRB conducted a web briefing or "webinar" that explored ways to identify dominant material and structural properties contributing to moisture-induced damage in asphalt concrete pavement.      For more details, view a summary of this webinar.  Email Reggie Gillum at  RGillum@nas.edu to receive a link to the recording of this session. There is ...

On November 17, 2010, TRB conducted a web briefing or "Webinar" that explored the basics of collecting data, analyzing backcalculation, building the pavement model, and evaluating the results.  For more details, view a summary of this webinar.  Email Reggie Gillum at  RGillum@nas.edu to receive a link to the recording of this session. There is no fee for employees of TR...

On November 3, 2010, TRB conducted a web briefing or "Webinar" that explored the impacts of climate change and methods that can be used by transportation agencies to adapt to a changing environment.  For more details, view a summary of this webinar.  Email Reggie Gillum at  RGillum@nas.edu to receive a link to the recording of this session. There is no fee for employees of T...

On November 2, 2010, TRB conducted a web briefing or "Webinar" that explored enhanced test methods for determining the laboratory mixing and compaction temperatures of unmodified and modified asphalt binders, as addressed in TRB’s National Cooperative Highway Research Program (NCHRP) Report 648: Mixing and Compaction Temperatures of Asphalt Binders in Hot-Mix Asphalt .  For more detai...

On October 21, 2010, TRB conducted a web briefing or "Webinar" that explored ways to develop and validate precast concrete bent cap systems for use throughout the nation’s seismic regions.   For more details, view a summary of this webinar.  Email Reggie Gillum at  RGillum@nas.edu to receive a link to the recording of this session. There is no fee for employees of TRB s...

On October 7, 2010, TRB conducted a web briefing or "Webinar" that explored the applications of advanced models to characterize, evaluate, and design asphalt pavements.  For more details, view a summary of this webinar.  Email Reggie Gillum at  RGillum@nas.edu to receive a link to the recording of this session. There is no fee for employees of TRB sponsors to receive t...

On September 21, 2010, TRB conducted a web briefing or "Webinar" that explored winter weather and the impact on drivers and transportation operations.  For more details, view a summary of this webinar.  Email Reggie Gillum at  RGillum@nas.edu to receive a link to the recording of this session. There is no fee for employees of TRB sponsors to receive this recording. Othe...

On September 8, 2010, TRB conducted a web briefing or "Webinar" that explored a project developed by TRB's second Strategic Highway Research Program (SHRP 2) on pavement preservation strategies for high-traffic volume roadways.  For more details, view a summary of this webinar.  Email Reggie Gillum at  RGillum@nas.edu to receive a link to the recording of this session. ...

On August 5, 2010, TRB conducted a web briefing or "Webinar" that explored the application of nondestructive testing (NDT) technologies in the quality assurance of hot-mix asphalt (HMA) pavement construction, as published in the National Cooperative Highway Research Program’s (NCHRP) Report 626: NDT Technology for Quality Assurance of HMA Pavement Construction .  For more details, vie...

On July 28, 2010, TRB conducted a web briefing or "Webinar" that explored the use of precast concrete pavement as a way to provide faster repairs using durable, longer-lasting pavements. For more details, view a summary of this webinar.  Email Reggie Gillum at  RGillum@nas.edu to receive a link to the recording of this session. There is no fee for employees of TRB spons...

On May 24, 2010, TRB conducted a web briefing or "Webinar" that explored the use of warm-mix asphalt technologies in North America.  For more details,  view a summary of this webinar. Email Reggie Gillum at  RGillum@nas.edu to receive a link to the recording of this session. There is no fee for employees of TRB sponsors to receive this recording. Others must p...

On Wednesday, May, 2010, TRB conducted a web briefing or "webinar" that explored test methods for mineral filler that could improve the performance of hot-mix asphalt.  For more details,  view a summary of this webinar. Email Reggie Gillum at RGillum@nas.edu to receive a link to the recording of this session. There is no fee for employees of TRB sponsors to receive this recording. Oth...

On Monday, April 19, 2010, TRB conducted a web briefing or "webinar" that explored practical tips for using the Transportation Research Information Services (TRIS), Research in Progress (RiP), and Research Needs Statements (RNS) databases. For more details,  view a summary of this webinar. Watch a recording of the webinar. You will need  Windows Media Player 9 or higher to v...

On Thursday, March 4, 2010, TRB conducted a web briefing or "webinar" that explored research on international and domestic tunnel scans, and provide information to practitioners about practices that can be used to design and maintain safe tunnels.  For more details,  view a summary of this webinar. Email Reggie Gillum at  RGillum@nas.edu to receive a link to the recording of...

On Wednesday, February 17, 2010, TRB conducted a web briefing or "webinar" that explored the results of TRB’s National Cooperative Highway Research Program (NCHRP) Report 611: Seismic Analysis and Design of Retaining Walls, Buried Structures, Slopes, and Embankments . For more details,  view a summary of this webinar. Email Reggie Gillum at RGillum@nas.edu to receive a link to the recordin...

On  Wednesday December 16, 2009, TRB conducted a web briefing or "Webinar" that explored maintenance practices for pavement marking retroreflectivity to comply with the Federal Highway Administration’s revised Manual on Uniform Traffic Control Devices.   For more details,  view a summary of this webinar. Email Reggie Gillum at  RGillum@nas.edu to receive a lin...

On Thursday, December 10, 2009, TRB conducted a web briefing or "Webinar" that explored a report released by TRB’s second Strategic Highway Research Program that identifies practices to assist transportation professionals in locating underground utilities.   For more details,  view a summary of this webinar. Email Reggie Gillum at  RGillum@nas.edu to receive a...

On  Tuesday, November 17, 2009, TRB conducted a web briefing or "Webinar" that explored maintenance practices for traffic sign retroreflectivity to comply with the Federal Highway Administration’s revised Manual on Uniform Traffic Control Devices.  For more details,  view a summary of this webinar. Email Reggie Gillum at  RGillum@nas.edu to receive a link to the recordi...

On  Tuesday, November 10, 2009, TRB conducted a web briefing or "Webinar" that explored models that can be used to characterize the rheological behavior of asphalt binders to improve performance.   For more details,  view a summary of this webinar. Email Reggie Gillum at  RGillum@nas.edu to receive a link to the recording of this session. There is no fee for employ...

On October 28, 2009, TRB conducted a web briefing or "Webinar" that explored intrusive and non-intrusive experimental laboratory and field test methods for the estimation of stiffness properties (resilient modulus) of subgrades and unbound materials for pavement design. For more details,  view a summary of this webinar. Email Reggie Gillum at  RGillum@nas.edu to receive a link to...

On October 13, 2009, TRB conducted a web briefing or "Webinar" that explored the ability of asphalt emulsion technology to provide a low-temperature, low-energy, and volatile organic compound-free solution for constructing, maintaining, and rehabilitating pavement. For more details,  view a summary of this webinar. Email Reggie Gillum at  RGillum@nas.edu to receive a link to the ...

On September 17, 2009, TRB conducted a web briefing or "Webinar" that explored the latest issues in slope maintenance and slide restoration for transportation maintenance professionals.  For more details,  view a summary of this webinar. Email Reggie Gillum at  RGillum@nas.edu to receive a link to the recording of this session. There is no fee for employees o...

On June 18, 2009, TRB conducted a web-seminar or “webinar” that explored the efforts and challenges faced by transportation practitioners to measure bridge performance. For more details,  view a summary of this webinar. Email Reggie Gillum at  RGillum@nas.edu  to receive a link to the recording of this session. There is no fee for employees of TRB sponsors to receive this re...

On May 7, 2009, TRB conducted a web-seminar or “webinar” that explored research and best practices for the processing, design, and production of high-reclaimed asphalt pavement mixes. For more details,  view a summary of this webinar. Email Reggie Gillum at  RGillum@nas.edu to receive a link to the recording of this session. There is no fee for employees of TRB sponsors to receiv...

View and listen to selected presentations given at the 88th Annual Meeting in Washington, DC on January 11-15, 2009, as part of the TRB’s Conference Recording series.  The TRB Conference Recording series is designed to bring information presented at TRB conferences and meetings to those who were not able to attend. To request an archived recording, email Reggie Gillum . There is no fee for...

On June 20, 2008, TRB conducted a web-seminar or “webinar” that explored culvert design information and best practice installation processes for transportation engineers and maintenance personnel. For more details,  view a summary of this webinar. Email Reggie Gillum at  RGillum@nas.edu to receive a link to the recording of this session. There is no fee for employees of TRB spon...

View and listen to selected presentations given at the TRB 87th Annual Meeting in Washington, D.C. , on January 13-17, 2008 , as part of the TRB’s Conference Recording series. The TRB Conference Recording series is designed to bring information presented at TRB conferences and meetings to those who were not able to attend.   To request an archived recording, email Reggie Gillum ...

View and listen to selected presentations given at the 86th Annual Meeting in Washington, D.C., on January 21-25, 2007, as part of the TRB’s Conference Recording series. The TRB Conference Recording series is designed to bring information presented at TRB conferences and meetings to those who were not able to attend.   To request an archived recording, email Reggie Gillum . There is no fe...

View and listen to selected presentations given at the TRB 2006 Annual Meeting Summary of Major Issues in Albany , NY , on March 15, 2006 prepared by the New York State Department of Transportation , as part of the TRB’s Conference Recording series. The TRB Conference Recording series is designed to bring information presented at TRB conferences and meetings to those who were not able to atten...

View and listen to selected presentations given at the 85th Annual Meeting in Washington , D.C. , on January 22-26, 2006 , as part of the TRB’s Conference Recording series. The TRB Conference Recording series is designed to bring information presented at TRB conferences and meetings to those who were not able to attend.   To request an archived recording, email Reggie Gillum . There is no...

2005 Joint Summer Conference : Conference Recording   View and listen to selected presentations given at the Joint Summer Conference in Boston , MA , on July 10-12, 2005 , as part of the TRB’s Conference Recording series. The TRB Conference Recording series is designed to bring information presented at TRB conferences and meetings to those who were not able to attend.   To request an...