Over the last decade, many cities and states have conducted “Smart City” pilots. TRB hosted a webinar on Thursday, October 28, 2021 that discussed how Smart Cities may improve air quality, stormwater, transportation, and general civil infrastructure to improve public health, increase operational efficiency, and/or extend the life of infrastructure. Presenters described the steps taken and less...

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Bridge engineers were invited to a TRB webinar on Thursday, October 3, 2019, from 2:00 PM to 3:30 PM ET. This webinar identified strategies for constructing and maintaining large span buried bridges, which have at least a 50 foot span and consist of a buried structure that works with granular backfill to support design loads through soil-structure interaction. Over the past 20 years, there have...

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 Wednesday, March 6, 2019 from 2:00 PM to 3:30 PM ET that featured research from the National Cooperative Highway Research Program (NCHRP)’s Synthesis Report 519 : The Renewal of Stormwater Systems Using Trenchless Technologies. This webinar discussed how to replace aging stormwater facilities using open-cut or trenchless methods. The presenter also illustrated how to ...

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 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 will conduct a webinar on Monday, July 16, 2018 from 2:00PM to 3:30PM ET that will discuss the U.S. Environmental Protection Agency’s (EPA) Water Finance Clearinghouse. The Clearinghouse is a web-based portal that provides real-time updates and information about financing options for stormwater infrastructure. Employees of state and federal agencies and other water sector stakeholders can s...

TRB conducted a webinar on Monday, April 30, 2018 from 1:00 PM to 2:30 PM ET that featured research from the National Cooperative Highway Research Program (NCHRP)’s Research Report 853 : Guidance for Design Hydrology for Stream Restoration and Channel Stability. This webinar explored methods for defining design hydrology and analytical channel design in the vicinity of stream crossings. Present...

TRB conducted a webinar on Wednesday, March 21, 2018, from 2:00PM to 3:30PM ET that features research from the Airport Cooperative Research Program (ACRP)’s Research Report 166 : Interpreting the Results of Airport Water Monitoring. This research provides comprehensive guidance and a set of tools that operators of airports of varying sizes can use to understand, diagnose, and interpret airport...

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, September 20, 2017, from 2:00 PM to 3:30 PM ET that featured research from the National Cooperative Highway Research Program (NCHRP) Report 840 : A Watershed Approach to Mitigating Stormwater Impacts. The webinar examined a decision-making framework designed to help state Departments of Transportation (DOTs) identify and implement cost-effective and environ...

TRB conducted a webinar on Thursday, September 14, 2017, from 2:00PM to 3:30PM ET that features research from the Airport Cooperative Research Program (ACRP)’s Research Report 169 : Clean Water Act Requirements for Airports, Research Report 174 : Green Stormwater Infrastructure - Volume 1: Primer, and Research Report 174 : Green Stormwater Infrastructure - Volume 2: Guidebook. This webinar disc...

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 Thursday, April 13, 2017, from 2:00PM to 3:30PM ET about buried structures such as culverts and bridges. Buried structures are an important part of state and regional transportation networks, which can be disrupted by extreme weather events. Repairing the damage after such events can challenge an agency’s resources and negatively impact the area’s economy by disruptin...

TRB conducted a webinar on Tuesday, March 14, 2017, from 2:00PM to 3:30PM ET that features research conducted by TRB’s Airport Cooperative Research Program (ACRP) that will assist airport operators and environmental managers in understanding the range of potential aircraft deicer treatment technologies and aquatic toxicity testing in order to measure the impact of deicers on stormwater. The web...

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 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 Monday, October 31, 2016 from 2:00 to 3:30PM ET that illustrated examples of electrical resistivity methods for geophysical applications, including underground voids, karst features, bedrock, clay, groundwater, and slope stability. This webinar featured case studies from the United Kingdom, the Minnesota Department of Transportation, and the private sector. This webin...

TRB conducted a webinar on Wednesday, August 31, 2016 from 2:00PM to 3:30PM ET on evaluating splash and spray on various pavement surface types. Splash and spray are generated when vehicles traveling down a wet road displace the water either in bulk (splash) or in a more finely divided form (spray). Splash and spray can directly affect driving safety by limiting visibility and causing skids. Th...

TRB conducted a webinar on Tuesday, August 30, 2016 from 2:00PM to 3:30PM ET that discussed research from National Cooperative Highway Research Program (NCHRP) Report 795 : Design Methods for In-Stream Flow Control Structures. In-stream flow control structures are used to limit lateral migration and reduce bank erosion. This webinar focused on which in-stream flow control structures are effecti...

TRB conducted a webinar on Wednesday, August 10, 2016 from 1:00PM to 2:30PM ET that discussed research from National Cooperative Highway Research Program (NCHRP) Report 802 : Volume Reduction of Highway Runoff in Urban Areas: Guidance Manual. The manual outlines a process for the reduction of stormwater volumes in urban highway environments. The presenters discussed the five step process and im...

TRB conducted a webinar on May 18, 2015, from 1:00pm to 2:30pm ET that covered the application of the Stochastic Empirical Loading and Dilution Model (SELDM) in Oregon and Massachusetts. SELDM was developed by the U.S. Geological Survey, in cooperation with the Federal Highway Administration, help analyze the potential effects of runoff on receiving waters. It facilitates the environmental deci...

TRB conducted a webinar on November 12, 2014, from 1:00pm to 2:30pm ET that summarized three recent publications on stormwater to better understand the availability and impact of new tools for stormwater treatment: NCHRP Report 767: Measuring and Removing Dissolved Metals from Stormwater in Highly Urbanized Areas NCHRP Report 778: Bridge Stormwater Runoff Analysis and Treatment Options Forthcom...

TRB conducted a webinar on October 9, 2014, from 2:00pm to 3:30pm ET that provided information and demonstrated tools for the selection and maintenance of highway-related stormwater best management practices (BMP) based on long-term performance and life-cycle costs. Webinar presenters identified tool applications that address various BMP types and provide capital, operation, and maintenance and...

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...

** 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...

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...

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...

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...

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...