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The response to the coronavirus disease (COVID-19) pandemic has had unprecedented impacts on the economy of the United States, particularly with regard to travel demand. TRB hosted a webinar on Thursday, June 25, 2020, from 2:00 PM to 3:00 PM Eastern that discussed the effects that stay-at-home orders and the lack of traffic congestion have had on the operations of priced managed lanes faciliti...

The world is grappling with the containment of coronavirus disease (COVID-19) until a vaccine is developed. TRB hosted a webinar on Tuesday, June 16, 2020 to discuss how planning, preparedness, and response can mitigate exposure and viral spread of communicable diseases among transportation customers and employees. Presenters discussed their experiences on the ground. Even locations without rep...

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Please find this information on our new website at https://www.nationalacademies.org/event/04-21-2020/trb-webinar-breaking-down-barriers-aiding-airport-travelers-with-disabilities .

Please find this information at our new website at https://www.nationalacademies.org/event/04-13-2020/trb-webinar-roundabouts-in-the-manual-on-uniform-traffic-control-devices .

How does your community manage road speeds? TRB hosted a webinar on Monday, March 9, from 2:00 to 3:30 PM Eastern that discussed various speed management strategies and resources. Presenters described case studies from their communities and identify speed management priorities. This webinar was organized by the TRB Standing Committee on Transportation Issues in Major Cities. The slides and a re...

What’s the difference between a traditional roundabout and a turbo roundabout? TRB hosted a webinar on Wednesday, January 29, 2020 from 2:00 to 3:30 ET to answer this question. A turbo roundabout has the same operating characteristics as modern roundabouts but utilizes different geometrics to address the conflicts associated with the common crash types in multilane roundabouts. This webinar dis...

The transportation community is invited to a TRB webinar on Wednesday, December 11, 2019, from 2:00 PM to 3:30 PM ET. The webinar is the second in a collaborative series between TRB, FHWA and AASHTO. It will discuss recent developments in tunnel management practices and provide announcements from tunnel-related organizations. This webinar will provide an overview of the Massachusetts Department...

Traffic operations professionals are invited to a TRB webinar on Thursday, December 5, 2019, from 2:00 PM to 3:30 PM ET. This webinar will present an overview of how the new and updated methods in the Highway Capacity Manual (HCM) may be used to design alternative intersections and corridors. The updated HCM is now available from TRB. The HCM serves as a fundamental reference on concepts, perfo...

Traffic design engineers were invited to a TRB webinar on Thursday, November 21, 2019, from 2:00 PM to 4:00 PM ET. The webinar provided an overview about using part-time signals to address peak hour flows at roundabouts. Many roundabouts built in the 1990s and 2000s are approaching their maximum design year volumes during peak hours. Part-time metering signals can equalize delays across roundab...

Traffic operations and management practitioners were invited to a TRB webinar on Thursday, November 14, 2019, from 2:00-3:30 PM. ICE is emerging as a preferred method for identifying the most appropriate intersection form for a given location. This webinar presented an overview of how the new and updated methods in the Highway Capacity Manual (HCM) and its companion, Planning & Preliminary ...

Traffic operations and management practitioners were invited to a TRB webinar on Wednesday, October 23, 2019, from 2:00-3:30 PM. This webinar discussed the multi-modal analysis methods incorporated into the Highway Capacity Manual (HCM), Sixth Edition. This guide is commonly used by transportation agencies to evaluate and forecast operations of roadway facilities.   Urban streets are used ...

The transportation community was invited to a webinar on Wednesday, October 16, 2019 from 2:00 PM to 3:30 PM. This webinar is the first in a collaborative series between TRB, FHWA, and AASHTO. It discussed recent developments in tunnel management practices and provided announcements from tunnel-related organizations. The webinar discussed the Hampton Roads Bridge-Tunnel Expansion in Virginia, f...

Airport personnel were invited to a TRB webinar on Tuesday, October 8, 2019, from 2:00 PM to 3:30 PM ET. The webinar featured research from the Airport Cooperative Research Program (ACRP) Research Report 188 : Using Existing Airport Management Systems to Manage Climate Risk. This webinar identified airport-related climate and weather risks. Presenters discussed disparate airport management prog...

Traffic design engineers were invited to a TRB webinar on Thursday, August 29, 2019, from 1:00 PM to 3:00 PM ET. The webinar provided guidance that overcomes challenges of roundabout implementation and provides successful outcomes. During the last ten years, the roundabout implementation experience started to show how transferable a concept or design is to many locations. Existing research and ...

Traffic operations and management practitioners were invited to a TRB webinar on Thursday, August 22, 2019, from 1:00-2:30 PM. This webinar discussed the proposed chapters for incorporating travel time reliability into the Highway Capacity Manual (HCM), Sixth Edition: A Guide for Multimodal Mobility Analysis. HCM is commonly used by transportation agencies to evaluate and forecast operations of...

TRB conducted a webinar on Monday, July 29, 2019, from 2:00 PM to 3:30 PM ET that provided updates to the latest version of the Highway Capacity Manual (HCM), Sixth Edition: A Guide for Multimodal Mobility Analysis, which will be released next year. HCM is commonly used by transportation agencies to evaluate and forecast operations of roadway facilities. It may also be used to cost-effectively ...

TRB conducted a webinar on Monday, July 8, 2019, from 2:00 PM to 3:30 PM ET that discussed visualization in transportation decision-making, operations, and safety. In the transportation industry, visualization is a way to build consensus and monitor the progress of initiatives. Properly utilizing visualization techniques may bring clarity to complex data sets and improve communication between t...

TRB conducted a webinar on Wednesday, June 26, 2019, from 2:00 PM to 3:30 PM ET that discussed diverging diamond interchanges (DDIs). An increasing number of states are utilizing DDIs as a way to potentially solve their congestion and safety hotspots. Research is now underway to determine how states may apply DDIs in specific situations. This webinar discussed previous and current research into...

TRB conducted a webinar on Tuesday, June 11, 2019, from 2:00 PM to 3:30 PM ET that discussed successful communications strategies for engaging the public in conversations around tolling and public-private partnerships (P3s). Proposals for funding transportation projects through tolls and P3s are often met with many questions and concerns from the public. The webinar featured presenters who are ...

TRB conducted a webinar on Monday, June 10, 2019, from 2:00 PM to 3:30 PM ET that discussed The National Cooperative Highway Research Program (NCHRP) Research Report 825 : Planning and Preliminary Engineering Applications Guide. This was developed in parallel with the Highway Capacity Manual (HCM), Sixth Edition: A Guide for Multimodal Mobility Analysis. HCM is commonly used by transportation a...

TRB conducted a webinar on Monday, April 29, 2019, from 2:00 PM to 3:30 PM ET that discussed methods for identifying, evaluating, and mitigating access and affordability challenges for priced managed lanes facilities. Priced managed lanes provide governments and local authorities with regional transportation network improvements and funding sources. However, pricing and access policies may impo...

TRB conducted a webinar on Thursday, April 18, 2019, from 2:00 PM to 3:30 PM ET that features research from the Airport Cooperative Research Program (ACRP) Synthesis 72 : Table Top and Full-scale Emergency Exercises for General Aviation, Non-hub and Small Hub Airports and Research Report 187 : Transportation Emergency Response Application (TERA) Support Materials for Airport EOC Exercises. Airp...

TRB conducted a webinar on Monday, April 15, 2019 from 1:00 PM to 2:30 PM ET that discussed how state departments of transportation may utilize the National Oceanic and Atmospheric Administration’s National Water Model . Accurate, timely, and reliable forecasts are necessary for transportation decision makers to make informed decisions on re-routing traffic or closing roadways if flooding is im...

TRB conducted a webinar on Monday, March 25, 2019 from 2:00 PM to 3:30 PM ET that featured research from the National Cooperative Highway Research Program (NCHRP)’s Web-Only Document 255 : Improved Analysis of Two-Lane Highway Capacity and Operational Performance. This webinar described the development of a new two-lane highway analysis methodology that introduces features that supplement exist...

TRB will conduct a webinar on Tuesday, February 19, 2019 from 2:00 PM to 3:30 PM ET that will discuss strategies for bottleneck identification, diagnosis, and mitigation. Traffic bottlenecks in the United States are worsening, and states must manage their bottleneck problems with minimal funding. Therefore, it is necessary to demonstrate a return on investment regarding bottleneck mitigation st...

TRB conducted  a webinar on Tuesday, December 11, 2018, from 2:00 PM to 3:30 PM ET that features a research from the Airport Cooperative Research Program (ACRP) Insight Event: Airport Roles in Reducing Transmission of Communicable Diseases and Legal Research Digest 34 : Airport Public Health Preparedness and Response: Legal Rights, Powers, and Duties. The March 2018 ACRP Insight event brou...

TRB conducted a webinar on Thursday, November 15, 2018, from 2:00 PM to 3:30 PM ET that featured research from the National Cooperative Highway Research Program (NCHRP)’s Research Report 881 : Traffic Control Devices and Measures for Deterring Wrong-Way Movements. This webinar provided an overview of the research regarding traffic control devices that may be used to deter wrong-way movements. T...

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 Monday, October 15, 2018, from 2:00 PM to 3:30 PM ET that features research from the National Cooperative Highway Research Program (NCHRP)’s Project 20-65 Task 68 : Expanding Access to Our Communities: A Guide to Successful Mobility Management Practices in Small Urban and Rural Areas. This webinar highlighted a new guide that is designed to serve as a “one-stop” centr...

TRB conducted a webinar on Thursday, September 20, 2018 from 2:00 PM to 3:30 PM ET that shared case studies from the operations of continuous access priced managed lane projects in California, Washington, and Minnesota. Continuous access priced managed lanes, which contain only a dashed-stripe separating the managed lanes from the general purpose lanes, are relatively new. Presenters addressed ...

TRB conducted a webinar on Thursday, September 6, 2018 from 1:00 PM to 2:30 PM ET that examined the impacts of technologies such as connected/autonomous vehicles and ridesharing services on transportation revenues. As these technologies change the way people travel, they are displacing traditional revenue streams for transportation programs. This webinar addressed the current and anticipated im...

TRB conducted a webinar on Wednesday, August 15, 2018, from 1:00 PM to 2:30 PM ET that features research from the National Cooperative Highway Research Program (NCHRP)’s Research Report 879 : Optimal Replacement Cycles of Highway Operations Equipment. This webinar introduced the project development process, including the factors relevant for determining optimal replacement cycles using life-cyc...

TRB conducted a webinar on Monday, July 23, 2018, from 1:00 PM to 2:30 PM ET that discusses how port authorities are using data portals to make current, actionable information available to the shipping community and the broader supply chain. In the past, port authority websites offered basic statistics about port performance. Newer data portals provide container status and availability, vessel ...

TRB conducted a webinar on Monday, May 21, 2018 from 2:00 PM to 3:30 PM ET that identified creative applications of roundabouts to solve intersection problems. Presenters described case studies in which roundabout implementation has provided safer and more efficient travel across various modes. This webinar explored how roundabouts may be effective in easing congestion, prioritizing bicycle and...

TRB conducted a webinar on Thursday, May 3, 2018, from 2:00PM to 3:30PM ET that features research from the Airport Cooperative Research Program (ACRP)’s Report 143 : Guidebook for Air Cargo Facility Planning and Development and Synthesis 80 : Estimating Truck Trip Generation for Airport Air Cargo Activity. This webinar explored the tools and techniques for sizing air cargo facilities, which inc...

TRB will conduct a webinar on Monday, April 16, 2018 from 2:00 PM to 3:30 PM ET that will describe the Federal Transit Administration’s Mobility on Demand (MOD) Sandbox awards. Presenters will discuss the role of public-private partnerships between public transportation, shared mobility, and goods delivery services within the MOD initiative. Presenters will also identify key lessons and metrics...

TRB will conduct a webinar on Wednesday, April 11, 2018 from 2:00 PM to 3:30 PM ET that features research from the National Cooperative Highway Research Program (NCHRP)’s Synthesis 507 : Traffic Signal Preemption at Intersections Near Highway-Rail Grade Crossings. This webinar will highlight current practices of traffic signal preemption deployed at intersections that are adjacent to railway g...

TRB conducted a webinar on Monday, April 2, 2018, from 2:00PM to 3:30PM ET that discusses the current use and future implementation of airport surface management tools as they relate to operational efficiency and delay reduction. The efficiency of surface movement is a key component to maintain the operational flow and to consistently realize the full capacity of the airfield and surrounding ai...

TRB conducted a webinar on Tuesday, March 6, 2018 from 1:00 PM to 3:00 PM ET that discussed how to use spatial modeling and statistical tools to enhance the quality and productivity of travel monitoring data. Presenters focused on the Highway Performance Monitoring System (HPMS), which is a compilation of roadway characteristics, including inventory, traffic, and performance data. They describe...

TRB conducted a webinar on Tuesday, February 27, 2018 from 2:00 PM to 4:00 PM ET that discussed how to incorporate spatial modeling and statistical tools to enhance the quality and productivity of travel monitoring data. Presenters focused on the Highway Performance Monitoring System (HPMS), which is a compilation of roadway characteristics, including inventory, traffic, and performance data. ...

TRB conducted a webinar on Wednesday, January 31, 2018, from 2:00PM to 3:30PM ET that features research from the Airport Cooperative Research Program (ACRP)’s Synthesis 84 : Transportation Network Companies: Challenges and Opportunities for Airport Operators. This webinar discussed how transportation network companies (TNCs) such as Uber and Lyft have become common providers of ground transpor...

TRB conducted a webinar on Monday, January 29, 2018 from 2:00 PM to 3:30 PM ET that featured research from the National Cooperative Highway Research Program (NCHRP)’s Report 854 : Guide for Identifying, Classifying, Evaluating, and Mitigating Truck Freight Bottlenecks. This webinar discussed a guidebook that examines truck freight bottlenecks using truck probe data rather than traditional trave...

TRB conducted a webinar on Thursday, November 16, 2017, from 2:00PM to 3:30PM ET that featured research from the National Cooperative Highway Research Program (NCHRP)’s  Web-Only Document 239 : Impacts of Laws and Regulations on CV and AV Technology Introduction in Transit Operations. This webinar discussed the changes in the way public transit agencies will approach operating policy with ...

TRB conducted a webinar on Thursday, October 12, 2017 from 2:00 PM to 3:30 PM ET that presented information about planning, designing, implementing, and operating dynamic, static, and bus-only part-time shoulder use facilities. Part-time shoulder use converts paved shoulders to travel areas during certain times of the day as a congestion relief strategy, and is typically implemented on highways...

TRB conducted a webinar on Wednesday, September 27, 2017 from 2:00 PM to 3:30 PM ET that features research from the National Cooperative Highway Research Program (NCHRP)’s Research Report 844 : Guide for Integrating Goods and Services Movement by Commercial Vehicles in Smart Growth Environments. This webinar focused on the report which provides a guide for proactive and reactive policy, plannin...

TRB conducted a webinar on Monday, September 18, 2017, from 2:00 PM to 4:00 PM ET that provided examples of ways the modern roundabout may be able to revitalize a downtown area, enhance a community’s sense of place, and provide a safer and more efficient traffic flow in urban and suburban areas. Presenters described how roundabouts have jumpstarted downtown revitalization, illustrated how round...

TRB will conduct a webinar on Wednesday, June 28, 2017 from 2:00-3:30PM ET about how the Highway Capacity Manual (HCM) can be used to support agencies’ planning, programming, and management decisions in a cost-effective manner. Released by TRB, the HCM is used by transportation agencies to evaluate the current and future operations of roadway facilities. The new HCM 6th Edition includes the co...

TRB conducted a webinar on Tuesday, June 20, 2017, from 2:00PM to 3:30PM ET that features research from TRB’s Airport Cooperative Research Program (ACRP) Report 93 : Operational and Business Continuity Planning for Prolonged Airport Disruptions and Synthesis 78 : Continuity of Operations Planning for Small Airports. The research provides insight into business planning to prepare for disruptive ...

TRB will conduct a webinar on Thursday, June 8, 2017, from 2:00PM to 3:30PM ET that will explore using traffic speed deflection devices for pavement structural evaluation at the network level. Presenters will focus on findings from a U.S. Federal Highway Administration study that assessed, evaluated, and validated the capacity of deflection devices in order to determine their readiness for impl...

TRB conducted a webinar on Tuesday, May 30, 2017 from 2:00-3:30PM ET about how the Highway Capacity Manual (HCM) can be used to support agencies’ planning, programming and management decisions in a cost-effective manner. Released by TRB, the HCM is used by transportation agencies to evaluate the current and future operations of roadway facilities. The new HCM 6th Edition includes the companion ...

TRB conducted a webinar on Wednesday, April 19, 2017, from 2:00PM to 3:30PM ET that explores state efforts to convert old traffic circles into modern roundabouts, which can be safer and more efficient. The first modern roundabouts were introduced into the United States in the 1990s. While the number of roundabouts in the U.S. is growing, the public and elected officials sometimes confuse them w...

TRB conducted a webinar on Monday, April 10, 2017, from 1:00PM to 3:00PM ET that features research from the National Cooperative Highway Research Program (NCHRP) Report 835 : Guidelines for Implementing Managed Lanes. This report provides guidance for transportation agencies interested in designing, implementing, operating, and maintaining managed lanes. In recent years, new managed lane tools,...

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 Tuesday, March 21, 2017, from 1:00PM to 3:00PM ET on mini-roundabouts. Mini-roundabouts are a high capacity intersection design frequently used in Britain, France, and Germany, but less common in North America. Mini-roundabouts may relieve congestion and improve safety in a cost-effective manner for some types of intersections. This webinar featured presenters who app...

TRB conducted a webinar on Tuesday, February 21, 2017 from 2:00 to 3:30 PM ET that featured research from National Cooperative Highway Research Program (NCHRP)’s Web-Only Document 221 : Protection of Transportation Infrastructure from Cyber Attacks: A Primer. This webinar focused on fundamental strategic, management, and planning activities associated with highway transportation control systems...

TRB and the Institute of Transportation Engineers (ITE) are cosponsoring a series of webinars about implementing the new 2016 Highway Capacity Manual 6th Edition (HCM6): A Guide for Multimodal Mobility Analysis . This series of webinars will present the new analysis procedures incorporated into HCM6 and why these tools are vital to helping analyze today’s transportation problems. The webinars w...

TRB conducted a webinar on Wednesday, November 2, 2016, from 2:00PM to 3:30PM ET that features research conducted by TRB’s Airport Cooperative Research Program (ACRP) that provides support to airport management as it transitions from stereotypical, predictable airport experiences to a more engaging one. Perceptions of airports are changing, and so is the way that airport operators view their cu...

TRB conducted a webinar on Tuesday, September 27, 2016 from 2:00PM to 3:30PM ET on improving the safety of vulnerable road users, who are more likely to be severely injured if involved in a crash. These users include pedestrians, bicyclists, motorcyclists, children and senior population, and people with special needs. The number of vulnerable road users is expected to increase as cities increas...

TRB conducted a webinar on Monday, September 26, 2016 from 2:00PM to 3:30PM ET that links the operational characteristics of roundabouts with the application of access management objectives. This webinar discussed the basic goals of access management techniques and roundabout operations, and provide several examples of how to combine the two principles into compatible highway and street traffic...

TRB conducted a webinar on Monday, September 19, 2016 from 2:00PM to 3:30PM ET that provided an overview of roundabout policies, guidance, and practices within state Departments of Transportation collected in NCHRP Synthesis 488 : Roundabout Practices. This webinar summarized all available current knowledge and practices throughout the United States, including concerns regarding roundabout poli...

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 Tuesday, July 12, 2016 from 2:00PM to 3:30PM ET that focuses on current technologies that can help plan and evaluate work zones. It discussed future vehicle-to-worker technologies under evaluation which could enhance work zone safety. This webinar was requested by the TRB Standing Committee on Work Zone Traffic Control. A certificate for 1.5 Professional Development H...

TRB conducted a webinar on Thursday, June 2, 2016 from 2:00PM to 3:30PM ET that discusses the impact of mega events on urban grown through transportation infrastructure investments. Mega events, like the Olympics, have been known to either enhance or disrupt urban growth of their host cities, primarily through implemented transportation solutions. This webinar explored ways that mega events may...

TRB recorded a series of videos in May 2016 that provides information on air quality issues. Because of the Clean Air Act of 1970 and subsequent amendments, air quality issues need to be addressed during the highway planning process. This series will help viewers understand how vehicles and highway projects impact air quality at the regional and project scales. The videos are available on-deman...

TRB conducted a webinar on Tuesday, May 3, 2016, from 1:00 to 2:30PM ET that provides information on the history and evolution of roundabout construction over the past 15 years in order to demonstrate the path to the current state-of-the-art methods. This webinar discussed some of the specifications, construction techniques, methods, and materials used to improve roundabout designs as well as d...

TRB conducted a webinar on Wednesday, April 20, 2016 from 2:00PM to 3:30PM ET that focuses on wrong-way driving. Wrong-way driving has been a problem since the beginning of the interstate highway system but they are much more likely to result in fatal and serious injuries than are other types of highway accidents. This webinar explored recent and ongoing efforts to mitigate wrong-way driving on...

TRB conducted a webinar on Tuesday, April 19, 2016 from 2:00PM to 3:30PM ET that featured research conducted by National Cooperative Highway Research Program (NCHRP) Project 03-110 Estimating the Life-Cycle Cost of Intersection Designs . The project developed the Life-Cycle Cost Estimation Tool (LCCET), a spreadsheet that allows for comparison of alternative intersection designs based on initia...

TRB conducted a webinar on Thursday, March 24, 2016 from 2:00PM to 3:30PM ET that discussed different characteristics of operating roundabout intersections that are not necessarily transferable to a “one size fits all” model. This webinar examined the notion that providing exact design parameters may create intersections that are out of scale with a location and may increase construction costs ...

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 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 Wednesday, November 18, 2015, from 1:00-3:00PM ET that reviewed the findings from the National Cooperative Highway Research Program (NCHRP) Synthesis 481 : Current Practices to Set and Monitor DBE Goals on Design-Build Projects and Other Alternative Project Delivery Methods. This report discusses current practices and challenges that state departments of transportatio...

TRB conducted a webinar on Tuesday, November 17, 2015 from 2:00 PM to 3:30 PM ET that presented material developed for the NCHRP Report 20-59(48):  Effective Practices for the Protection of Transportation Infrastructure from Cyber Incidents . The project focuses on fundamental strategic, operational, and planning activities associated with transit control systems cybersecurity. Participant...

TRB conducted a webinar on Thursday, November 12, 2015 from 2:00pm to 3:30pm ET that provided an overview of the information synthesized in NCHRP Synthesis 482 , "Work Zone Speed Management." This webinar discussed what is known about the effectiveness of the most popular techniques to address the problem of speeding in work zones. This webinar also described several less frequently used techni...

TRB conducted a webinar on Wednesday, November 4, 2015, from 2:00pm to 3:30pm ET that provided an overview of the second edition of the Signal Timing Manual . The second edition features a new outcome-based approach to signal timing. This outcome-based approach reflects local needs and a more multimodal approach. In addition, the second edition includes expanded content and enhanced graphics ov...

TRB conducted a webinar on August 26, 2015, from 2:00pm to 3:30pm ET that focused on using information from connected vehicles to provide data for improved operational efficiency. Webinar presenters discussed how telematic information, such as vehicle location, engine diagnostic codes, snow plow operation details, Antilock Brake Systems (ABS) activation, differential wheel speeds, and camera im...

TRB conducted a webinar on July 14, 2015, from 2:00pm to 4:00pm ET that covered SYNCHRO, Sim Traffic, and TransModeler— three software packages used by states for analyzing capacity and traffic flow necessary for efficient operation during the roundabout design phase. This was the third of a series of three webinars that covered seven software packages (SIDRA Intersection, VISSIM, RODEL, ARCADY...

TRB conducted a webinar on June 18, 2015, from 2:00pm to 3:30pm ET that featured research conducted by TRB’s Airport Cooperative Research Program (ACRP) on business planning for disruptive or irregular airport operations. Webinar presenters described best practices and practical applications in adopting a plan for sustained operational resiliency in the face of disruptions. Ways to evaluate and...

TRB conducted a webinar on June 11, 2015, from 12:00pm to 2:00pm ET that covered RODEL and ARCADY— two software packages used by states for analyzing capacity and traffic flow necessary for efficient operation during the roundabout design phase. This was the second of a series of three webinars that will cover seven software packages (SIDRA Intersection, VISSIM, RODEL, ARCADY, SYNCHRO, SimTraff...

TRB conducted a webinar on May 13, 2015, from 2:00pm to 4:00pm ET that presented material developed for an NCHRP project on Effective Practices for the Protection of Transportation Infrastructure from Cyber Incidents. This material is focused on the delivery of fundamental strategy, management and planning information associated with transportation control systems cybersecurity, and its applica...

TRB conducted a webinar on May 6, 2015, from 1:00pm to 3:00pm ET that covered SIDRA Intersection & VISSIM—two software packages used by states for analyzing capacity and traffic flow necessary for efficient operation during the roundabout design phase. This is the first of a series of three webinars that will cover seven software packages (SIDRA Intersection, VISSIM, RODEL, ARCADY, SYN...

TRB conducted a webinar on April 9, 2015, from 2:00pm to 3:30pm ET that featured research conducted by TRB’s Airport Cooperative Research Program (ACRP) on safety and financial concerns involving airport winter operations. Webinar presenters discussed best practices and practical applications to assist airport stakeholders in determining level of investment in winter operations and safety impli...

TRB conducted a webinar on February 11, 2015, from 2:00pm to 3:30pm ET that featured research conducted by TRB’s Airport Cooperative Research Program (ACRP) on airfield safety considerations. Webinar presenters discussed best practices and practical applications for designing aircraft aprons (with safety in mind) and how to manage risk from aircraft overrunning, undershooting, or veering off th...

TRB conducted a webinar on December 10, 2014, from 2:00pm to 3:30pm ET that featured live demonstrations of two tools that assist in the terminal planning and design decision-making process. This webinar was a follow-up to the March 13, 2014, webinar Airport Terminal Planning and Design: Models and Analytical Methods to Support Decision-Making . This webinar provided 1.5 Continuing Education Un...

TRB conducted a webinar on December 9, 2014, from 2:00pm to 3:30pm ET that presented tools that facilitate decision-making processes for airport planning and operations. These tools provide guidance on creating alternative growth and development scenarios for airports by analyzing the effects of potential change in aircraft, passenger, demographic, environmental, and other relevant factors. Thi...

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...

TRB conducted a webinar on September 29, 2014, from 1:00pm to 3:00pm ET that covered highlights from NCHRP Report 765: Analytical Travel Forecasting Approaches for Project-Level Planning and Design . This report describes methods, data sources, and procedures for producing travel forecasts for highway project-level analyses. The report is intended to be used by transportation planning, operatio...

TRB conducted a webinar on September 17, 2014, from 12:00pm to 1:30pm ET that explored recent advancements in software-assisted calibration and sensitivity analysis. Webinar presenters discussed the basics of calibrating microscopic behavioral sub-models in traffic simulation models when using disaggregate data, as well as presented the basics of calibrating demand and supply aspects of traffic...

TRB conducted a webinar on August 20, 2014 that explained the turbo roundabout concept, including its development, use, and safety benefits in the Netherlands, where there are several hundred turbos. Webinar presenters discussed the safety advantages of German turbos, which lack raised curbs, and explore a case study of the first-known turbo roundabout in Canada. Contact Reggie Gillum at RGillu...

TRB conducted a webinar on August 14, 2014, from 1:00pm to 2:30pm ET that will discuss aircraft wake recategorization at airports. The Federal Aviation Administration (FAA) has recently undertaken a significant project at Memphis International Airport to develop an approach and implementation of recategorizing aircraft wake categories and the associated spacing standards. Contact Reggie Gillum ...

TRB conducted a webinar on July 9, 2014, from 12:00pm to 1:30pm ET that introduced a metamodel-based technique for model sensitivity analysis and discussed how it may be applied to the Aimsun mesoscopic model. The webinar was based on a paper  presented at the 2013 TRB Annual Meeting that explains how sensitivity analysis can be applied to a traffic simulation model. A certificate for...

TRB conducted a webinar on June 12, 2014, from 2:00pm to 3:30pm ET that explored practical guidance and best practices on planning and conducting special events at general aviation facilities. Airports and entities conducting aeronautical special events (e.g., air shows) or non-aeronautical events (e.g., Presidential/dignitary visits) often find that holding a successful event involves a signif...

TRB conducted a webinar on May 28, 2014, from 1:00pm to 3:00pm ET that covered accessibility challenges at roundabouts for pedestrians with vision disabilities. Webinar panelists presented a framework for evaluating accessibility at a complex intersection and discussed the impacts of site geometry and operational characteristics on the accessibility of the site for blind pedestrians. A certific...

TRB conducted a webinar on April 3, 2014, from 2:00pm to 3:30pm ET that presented Airport Cooperative Research Program (ACRP) research on identifying and controlling wildlife at general aviation and large airports. Webinar presenters addressed the techniques and strategies that airport managers can use to repel and deter wildlife. This webinar provided 1.5 Continuing Education Units for Accredi...

As part of the SHRP2 Tuesdays Webinar Series, TRB conducted a webinar on April 1, 2014, from 2:00pm to 3:30pm ET that summarized SHRP 2 Projects C08: Linking Community Visioning and Highway Capacity Planning and C02: Performance Measurement Framework for Highway Capacity Decision Making . View the recorded webinar . Project C08 produced an interactive Vision Guide to assist practitioners in bet...

TRB conducted a webinar on March 13, 2014, from 2:00pm to 3:30pm ET that summarized Airport Cooperative Research Program (ACRP) reports on airport terminal planning and design. Webinar presenters described models and analytic tools that may be used to aid in terminal development and operations. This webinar provided 1.5 Continuing Education Units for Accredited Airport Executives. Click here to...

TRB conducted a webinar on March 7, 2014, from 1:00pm to 3:00pm ET that addressed challenges and possible solutions pertaining to large trucks and oversize/overweight trucks (OSOW) traversing roundabouts. A certificate for two Professional Development Hours (PDHs) was provided to attendees who registered and attended the webinar as an individual. Contact Reggie Gillum at RGillum@nas.edu for ins...

TRB conducted a webinar on February 26, 2014, from 2:00pm to 3:30pm ET that explored the role of goods movement in our nation's economic well-being and the parts that traffic engineering, transportation operations, and planning play in ensuring safe, efficient freight operations. The webinar provided examples of collaboration and improved regional freight operations. In addition, webinar p...

As part of the SHRP2 Tuesdays Webinar Series, TRB conducted a webinar on February 18, 2014, from 2:00pm – 4:00pm ET that explored the SHRP 2 projects L03 , L33, and L07 , which address non-recurring congestion through analysis and review of geometric design features in roadways and the use of travel time reliability prediction models for urban freeways. This webinar displayed how this research ...

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 November 20, 2013 from 2:00 p.m.- 3:30 p.m. ET that provided an overview of the Highway Capacity Manual 2010’s (HCM 2010’s) unsignalized intersection methodologies. Contact Reggie Gillum at  RGillum@nas.edu for more information about the webinar recording. Unsignalized intersection methodologies are frequently used in the HCM. This webinar explored the changes ma...

As part of the SHRP2 Tuesdays Webinar Series, TRB conducted a webinar on November 5, 2013 from 2:00 p.m.- 3:30 p.m. ET that explored the project, Incorporation of Travel Time Reliability into the Highway Capacity Manual (HCM) (L08) , which will offer agencies a new generation of analytic methods for conducting capacity and related analysis.  View the recorded webinar . This project develop...

TRB conducted a webinar on October 31, 2013 from 2:00 p.m.- 3:30 p.m. ET that provided an overview of the Highway Capacity Manual 2010’s (HCM 2010’s) new Urban Streets methodology, focusing on the new multimodal level-of-service methods for pedestrians, bicyclists, and transit riders. Contact Reggie Gillum at RGillum@nas.edu for more information about the webinar recording.  The first 60 m...

TRB conducted a webinar on October 22, 2013 from 2:00 p.m.- 3:30 p.m. ET that will provide an overview of the Highway Capacity Manual 2010’s (HCM 2010’s) new multimodal urban streets method as it relates to the auto mode. Contact Reggie Gillum at  RGillum@nas.edu  for information about the webinar recording.   The HCM 2010 chapter on the new multimodal urban streets method a...

TRB conducted a webinar on October 16, 2013 from 2:00 p.m.- 3:30 p.m. ET that will provide an overview of the Highway Capacity Manual 2010’s (HCM 2010’s) new signalized intersection methodology applications. Contact Reggie Gillum at RGillum@nas.edu for information about the webinar recording.  The signalized intersection chapter of HCM 2010 has major modifications. The new methodology is d...

As part of the SHRP2 Tuesdays Webinar Series, TRB conducted a webinar on October 1, 2013 from 2:00 p.m.-4:00 p.m. ET that explored five SHRP 2 projects relating to travel demand forecasting: Partnership to Develop an Integrated, Advanced Travel Demand Model with Mode Choice Capability and Fine-Grained, Time-Sensitive Networks ( C10A and C10B ) Understanding How Highway Congestion and Pricing Af...

As part of the SHRP2 Tuesdays Webinar Series, TRB conducted a webinar on September 17, 2013, from 2:00 p.m.-3:30 p.m. ET that explored the project, Incorporating Reliability Performance Measures into the Transportation Planning and Programming Processes, which developed a guide , a technical reference to the guide , and a final report . View the recorded webinar . Learning Objectives: This webi...

TRB conducted a webinar on August 19, 2013 from 2:00 p.m.- 3:30 p.m. ET that featured research conducted by TRB’s Airport Cooperative Research Program (ACRP) that provides managers, airport operators, and emergency planners with effective ways to thoroughly prepare for events that are disruptive to normal airport operations. View the recorded webinar . Airport operators and planners are faced w...

TRB conducted a webinar on August 8, 2013 from 2:00 p.m.- 3:30 p.m. ET that explored TRB’s National Cooperative Highway Research Program (NCHRP)  Report 737: Design Guidance for High-Speed to Low-Speed Transitions Zones for Rural Highways . Contact Reggie Gillum at RGillum@nas.edu for information about receiving a link to the webinar recording.  Transition zones are often problem loca...

As part of the SHRP2 Tuesdays Webinar Series, TRB conducted a webinar on August 6, 2013 from 2:00 p.m.- 3:30 p.m. ET that explored the project Establishing Monitoring Programs for Travel Time Reliability , which provides concepts and procedures that public agencies can use to design systems to build, maintain, operate, and monitor travel-time reliability. View the recorded webinar . When averag...

TRB will conduct a webinar on July 29, 2013 from 2:00 p.m.- 3:30 p.m. ET that will explore state perspectives and key considerations on improving the signing and marking of roundabouts. Participants must register in advance of the webinar, and there is a fee for non-TRB Sponsor employees. A certificate for 1.5 Professional Development Hours (PDH) will be provided to attendees who register and a...

TRB conducted a webinar on July 10, 2013 from 2:00 p.m.- 3:30 p.m. ET that featured research conducted by TRB’s Airport Cooperative Research Program (ACRP) on providing airport operators and planners with tools and methodologies designed for incorporating uncertainty into air traffic and fuel price forecasting methods. View the webinar recording . The ACRP reports presented in this webinar will...

TRB conducted a webinar on June 19, 2013 from 2:00 p.m.- 4:00 p.m. ET that presented basic concepts for implementing roundabouts to guide agencies in conducting community outreach during the implementation process. Contact Reggie Gillum at RGillum@nas.edu for information on accessing a link to the recorded webinar. Despite data that shows that the modern roundabout is the safest most efficient ...

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 16, 2013 from 2:00 p.m.- 3:30 p.m. ET that explored how to plan, design, and implement roundabouts. Contact Reggie Gillum at  RGillum@nas.edu  for information on accessing a link to the recorded webinar. This webinar will introduce some fundamentals of roundabouts and panelists will discuss specific planning, implementation, analysis, and design issues i...

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 conducted a webinar on March 25, 2013, from 2:00 p.m.-3:30 p.m. ET that highlighted TRB’s National Cooperative Highway Research Program report: Automated Enforcement for Speeding and Red Light Running , which provides an assessment of automated speeding and red light enforcement activity in the United States and develops guidelines for current and future programs. Contact Reggie Gillum at R...

TRB conducted a webinar on Thursday, December 6, 2012, from 2:00 PM ET to 3:30 PM ET that featured research conducted by TRB’s Airport Cooperative Research Program (ACRP) about various aspects of terminal planning and design, with an emphasis on wayfinding and airport curbside and terminal area roadway operations. View the recorded webinar . Planners and designers for all sizes of airports may ...

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 July 18, 2012, from 2:00 p.m.-4:00 p.m. ET that explored asset management techniques for safety, geotechnical, and ancillary structures; signs and sidewalks; and more. 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 a link to the recorded webinar. The webinar will high...

TRB conducted a webinar on July 11, 2012, from 2:00 p.m.-3:30 p.m. ET that explored a National Cooperative Highway Research Program (NCHRP) Report 707: Guidelines on the Use of Auxiliary Through Lanes at Signalized Intersections . Contact Reggie Gillum at RGillum@nas.edu for a link to the recorded webinar. An Auxiliary Through Lane (ATL) is a limited-length through lane added upstream and downs...

TRB conducted a webinar on June 19, 2012, from 1:00 p.m.-2:30 p.m. ET that explored the National Cooperative Highway Research Program (NCHRP) Synthesis 432: Recent Roadway Geometric Design Research for Improved Safety and Operations . Please contact Reggie Gillum at  RGillum@nas.edu  for a link to the recorded webinar.  Given the abundance of literature on roadway geometric desig...

TRB conducted a webinar on May 2, 2012 that explored the results of TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis Report 431: Practices to Manage Traffic Sign Retroreflectivity . The report illustrates efforts that agencies are taking to meet the requirements of the revised Manual on Uniform Traffic Control Devices (MUTCD), which establishes maintenance criteria for...

TRB conducted a web briefing or "webinar" on December 14, 2011 that addressed the findings of TRB’s National Cooperative Highway Research Program (NCHRP) Report 687: Guidelines for Ramp and Interchange Spacing . Contact Reggie Gillum at RGillum@nas.edu to request a recording of the webinar. This webinar will explore design, operations, safety, and signing considerations that influence ramp and ...

On August 17, 2011, TRB co-sponsored a web briefing or "webinar" that presented information about a National Cooperative Highway Research Program project that produced Report 674: Crossing Solutions at Roundabouts and Channelized Turn Lanes for Pedestrians with Vision Disabilities . Roundabouts and channelized turn lanes present challenges for individuals with blindness and visual impairments, ...

On August 3, 2011, TRB conducted a web seminar or “webinar” that featured brief presentations on six 2011 Annual Meeting papers nominated for the Patricia Waller Award for the best paper in road safety. Email Reggie Gillum at  RGillum@nas.edu to receive a link to the recording of this session. The six nominated papers and webinar panelists are: 1.    “Development of a Hardwa...

On July 20, 2011, TRB co-sponsored a web briefing or "webinar"  that explored information about a National Cooperative Highway Research Program project on Accessible Pedestrian Signals workshops . Transportation professionals are making pedestrian safety enhancements at traffic signals and street crossings for persons who are blind and/or visually impaired. Some of the audible signals curr...

On May 11, 2011, TRB conducted a web briefing or "webinar" that explored ways to properly calibrate and validate traffic simulation models. 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 pay $89...

On March 24, 2011, TRB conducted a web briefing or "webinar" that explored general threats of climate change to transportation facilities and operations, climate adaptation resources , and specific state planning acti vities that address the impacts of climate change . For more details, view a summary of this webinar.  Email Reggie Gillum at  RGillum@nas.edu to receive a link to the ...

On March 9, 2011, TRB conducted a web briefing or "webinar" that explored the findings of NCHRP Report 672: Roundabouts: An Informational Guide—Second Edition . 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 December 9, 2010, TRB conducted a web briefing or "webinar" that explored a report on a scan of four European countries that examined active traffic management design practices established to help improve the operational performance of congested freeway facilities without compromising safety.  For more details, view a summary of this webinar.  Email Reggie Gillum at  RGillum@...

On December 2, 2010, TRB conducted a web briefing or "webinar" that explored  the origin, installation, and operational experience of the Pedestrian Hybrid Beacon or HAWK.      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...

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 October 13, 2010, TRB conducted a web briefing or "Webinar" that explored a project developed by TRB's second Strategic Highway Research Program (SHRP 2). SHRP 2 created an institutional maturity framework tool that can be used to conduct a self-assessment of current organizational features to achieve effective systems operations and management. In addition, this framework can help orga...

On September 2, 2010, TRB conducted a web briefing or "Webinar" that explored  Airport Cooperative Research Program (ACRP) Report 27: Enhancing Airport Land Use Compatibility: Volume 1 .  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...

On August 17, 2010, TRB conducted a web briefing or "Webinar" that explored a project developed by TRB's second Strategic Highway Research Program (SHRP 2) on research and practical methods that can be used in predicting highway travel time.  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 ...

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, April 1, 2010, TRB conducted a web briefing or "webinar" that explored managed lanes' signing requirements in the 2009 Edition of the 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 recording of this session.  There is no fee for&nb...

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...

TRB will conduct a web briefing or "Webinar" on Thursday, October 15, from 2:00 p.m. to 3:30 p.m. EDT that will explore the use of performance measures for regional operations in two case studies conducted in Atlanta and New Mexico. Participants must register at least 24 hours in advance of the start of the Webinar.  The webinar is free for employees of TRB sponsors , and $99.00 for non-TR...

On May 12, 2009, TRB conducted a web-seminar or “webinar” that examined efforts to design and implement mitigation techniques to prevent animal-vehicle collisions. 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 r...

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 March 18, 2008, TRB conducted a web-seminar or “webinar” that explored the concept of using managed lanes on a system-wide level to address regional mobility and compound travel time benefits by linking individual facilities. 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 fe...

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 ...

On December 3, 2007, TRB conducted a web-seminar or “webinar” that examined the development of USLIMITS2 and explored case studies showing the real-world application of the expert system. 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 r...

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...