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TRB Weekly

TRB Weekly is a free weekly email newsletter designed to keep you up-to-date on TRB activities and to highlight select transportation research-related activities taking place at the federal and state levels, and within the academic and international transportation communities. Subscribe to have the latest version delivered to your inbox.

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Send comments or questions about TRB Weekly to trbnews@nas.edu. TRB highlights external reports and publications that are available online without a fee and are published within the past 60 days. TRB is not able to highlight external journal or web articles, events that are not sponsored or cosponsored by TRB, or promotional materials. 

Select from the list below to view this year and last year's TRB Weekly.

National Academies of Sciences, Engineering, and Medicine
TRB Weekly covers the latest in transportation research.
TRB Annual Meeting

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  • More than 60 workshops will be featured on the first and last days of the meeting. Workshop details are now available! Lectern and poster sessions will be announced in November.

  • Plan now! If your organization is sending more than four people to the TRB Annual Meeting, make the most of your investment. Become a TRB AM Patron to increase your organization’s visibility while maximizing your registration and marketing budget. Select the patron package that fits your organization or contact Louis Helms for more information.

News for You

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Congratulate the eight winners of the TRB Airport Cooperative Research Program ACRP Graduate Research Award! The winning students represent six universities from across the country. Winners receive a $12,000 stipend, access to a panel of experts, and an opportunity to present at the TRB Annual Meeting. Learn more about the winners!

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The solution is out there! TRB's ACRP synthesis projects systematically assemble and evaluate fragmented knowledge to document and describe current practice, making publications available to the entire community. Submit your topic idea by September 7 and you might see a project on it soon. 

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Nominate yourself or other candidates to serve on the expert TRB Transit Cooperative Research Program panels that oversee the content of individual studies on system reliability, vehicle cleanliness, alternative propulsion vehicles, inter-jurisdictional approaches, cost sharing, procurement, and data reporting. Panelists are knowledgeable about the subject matter and represent a diversity of expertise. Submit your nomination by September 14.

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Suggest developing research that helps agencies, attorneys, policymakers, and industry professionals address emerging legal, regulatory, governance, and operational public transportation challenges. TRB's TCRP legal research documents cover topics like procurement, ADA compliance, labor and workforce issues, data privacy, and emerging technologies. This is your chance to request the legal research you need! Submit a problem statement by September 15. 

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The AASHTO Special Committee on Research and Innovation is soliciting problem statements for the National Cooperative Highway Research Program. Employees of state departments of transportation, FHWA staff, or AASHTO staff on behalf of an AASHTO Committee or Council can follow instructions to submit by November 2. 

TRB Publications

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Leave room for PIE! Post-implementation evaluation (PIE) gives you a chance to learn from past efforts to make better future decisions. The benefits may be self-evident, but with constraints like data quality, staff hesitation, and complex analysis needs, it can be difficult to make the case to take the step forward. NCHRP Research Report 1184: Post-Implementation Evaluation of Transportation Projects: A Guide, produced by TRB’s National Cooperative Highway Research Program, is intended to demystify, promote, and support the adoption of PIE by providing an eight-step implementation framework. An evaluation tool, roadmap, implementation plan, and briefing presentation template are all available, as is NCHRP Web-Only Document 453: Post-Implementation Evaluation of Transportation Projects: Conduct of Research.


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TR News author Glen Kalisz, Washington State Department of Transportation, demonstrates how data-driven prioritization and cross-agency collaboration in habitat-connectivity planning are improving road safety for wildlife and people. Such planning has reduced wildlife–vehicle collisions by 80 to 90 percent in targeted areas while supporting the movement of species ranging from moose and elk to amphibians and fish. Read more!


Share your transportation-related knowledge! Write an article for TR News. The magazine features authors beyond TRB staff. Take a look at the five types of articles and submit a proposal.


 

NCHRP Web-Only Document 466: Private Health Sector Investment in NEMT: Volume 1: Practitioner's Guide


NCHRP Web-Only Document 466: Private Health Sector Investment in NEMT: Volume 2: Developing a Guide

Events

Do you need to catch up on professional development? Get a weekly email of only the upcoming TRB webinars directly in your inbox.

September 2 - TRB Webinar: Legal Issues in General Aviation Airport Safety and Security

September 10 - TRB Webinar: Research in Progress—Sharing and Finding Transportation Research

September 15 - TRB Webinar: Strengthening Decision Support Through Data Governance

September 17 - TRB Webinar: What’s New in the Transit Capacity & Quality of Service Manual, 4th Edition

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July 19 - 21 - Submit an abstract for TRB Conference on Rural and Tribal Transportation by October 9. Submit abstracts that present original research, demonstrate innovative methods, share implementation experience with transferable lessons, identify unresolved challenges or future research needs, or describe practical experience that other agencies and organizations can apply.

Research Roundup

Find more research from beyond TRB in TRID, a database that provides access to 1.5 million records of worldwide transportation research.

Minnesota Department of Transportation - Speed Impacts from Roundabouts and Other Traffic-Control Devices

Louisiana Transportation Research Center - Web-Based Tool to Advance Geotechnical Data Interchange and Reliability-Based Site Characterization

Virginia Transportation Research Council - Addressing Fly Ash Shortage with Limestone Calcined Clay Cement

Federal Transit Administration - Mobility Management in Rural and Tribal Areas

American Association of State Highway and Transportation Officials (AASHTO) - Mechanistic–Empirical Pavement Design Guide: A Manual of Practice, 4th Edition, 2026

TRIP - Saving Lives, Time, and Money: Maintaining the Enduring Value of America's Greatest Infrastructure Achievement, the Interstate Highway System at 70

National Highway Traffic Safety Administration - Traffic Safety Facts 2024 Data: Children

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