Cooperative Research Programs Series
Periodicals and Other Documents
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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
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Select from the list below to view this year and last year's TRB Weekly.
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TRB Weekly covers the latest in transportation research.
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It's here! TCRP Research Report 262: Transit Capacity and Quality of Service Manual, 4th edition, the definitive resource to plan and improve transit service in your community, is now updated. Find practical guidance on emerging technologies and mobility modes, evolving travel behavior following the COVID-19 pandemic, and the application of big data. Use the fresh, fully digital resource for today’s transit industry to make informed decisions that improve transit service for your community.
TCRP Web-Only Document 79: Developing the Fourth Edition of the Transit Capacity and Quality of Service Manual documents the research performed to update the various aspects of the 4th edition of TCRP Research Report 262.

Start thinking about the deserving colleagues or mentors for TRB's most prestigious awards honoring excellence in leadership, service, and management. Details for nominations are on each award's homepage and nominations will be accepted June 1 - July 31 for:
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Available truck parking remains a growing concern with the growth of e-commerce and freight demand. Although federal and state agencies assess needs and construct rest areas, local governments strongly influence parking availability through land use policies, zoning, and enforcement. Safe and adequate truck parking supports freight efficiency, roadway safety, and public health. Local jurisdictions may use NCHRP Research Report 1175: Developing a Guide for Local Truck Parking Regulations to address this issue proactively.
Companion publication NCHRP Web-Only Document 446: Guide for Local Truck Parking Regulations presents a solutions toolbox and a range of model truck parking and staging ordinances, rules, and regulations suitable for consideration and adoption by local municipalities. It was developed to accompany NCHRP Research Report 1175.
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ACRP Research Report 281: Data Protection and Privacy Management at U.S. Airports: Guidelines identifies major airport data-collection use cases; defines their purposes, data subjects, and associated actions; implementation challenges; legal trends; and highlights key issues and concerns.
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May 22 - Register to join TRB's Study on Data, Metrics, and Analytic Tools for Transportation Investments that Support Family Quality of Life and Communities meeting held online.
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May 27 – TRB Webinar: Getting Ahead of Airport Parking Reservation Systems and Techniques
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June 2 - 3 - China Highway & Transportation Society, China Institute of Navigation, China Railway Society, Chinese Society of Aeronautics and Astronautics, China Society of Automotive Engineers, and China Air Transport Association organized the World Transportation Convention 2026 in Tianjin, China. TRB is pleased to have an MOU with China Highway & Transportation Society. Register today!
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June 8 - 11 - Register for our TRB Symposium on Aviation Innovation and Research in Dayton, OH. Find sessions on AAM, autonomous vehicles at the airport, travel planning, workforce development, and more.
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From cargo to security, marine transportation is in need of research to steer us in the right direction. Nominate an expert by July 3 in any of the following specialties to serve in the national interest on TRB's Marine Board.
- Shipbuilding / naval architecture
- Navigation infrastructure and technology
- Military sealift
- Port and terminal operation
- Ship operations and pilotage
- Salvage operation and marine firefighting
- Maritime security
- Maritime resilience
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