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Committee & Panel Homepages
Cooperative Research Panels
Highway (NCHRP)
Transit (TCRP)
Airport (ACRP)
Freight (NCFRP)
Hazardous Materials (HMCRP)
Rail (NCRRP)
Synthesis Panels
Highway
Transit
Airport
IDEA
Safety IDEA
Programs

Cooperative Research
Highway (NCHRP)
Transit (TCRP)
Airport (ACRP)
Behavioral Traffic Safety (BTSCRP)
Freight (NCFRP)
Hazardous Materials (HMCRP)
Rail (NCRRP)
Synthesis
Highway
Transit
Airport
Truck & Bus Safety
Innovations Deserving Exploratory Analysis (IDEA)
Legal Research
Marine Board
Consensus and Advisory Studies
Strategic Highway Research Program 2 (SHRP 2)
SHRP 2 Naturalistic Driving Study Data Access
SHRP 2 Archives
Transportation Research Information Services (TRIS)


Projects
Find a Project
Requests for Proposals
Requests for Information
Upcoming Projects
Publications
 
Bookstore
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by Series
by Subject
E-Newsletter
Transportation Research Record Online
Publications Index
Errata
 
Resources & Databases

Webinars
Conference Recordings
Research In Progress (RiP)
Research Needs Statements (RNS)
TRID (A Transportation Research Database)
Transportation Research Thesaurus (TRT)
SHRP 2 Naturalistic Driving Study Data Access
Online Directory
Library
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Careers in Motion Job Center


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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.

TCQSM cover multi.jpg 

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.


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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:

  • the W.N. Carey, Jr. Distinguished Service Award
  • the Roy W. Crum Distinguished Service Award
  • the Robert E. Skinner, Jr. Distinguished Transportation Research Management Award
TRB Publications

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.


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.

Events

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May 21 - Register to join the first public committee meeting of the Congressionally requested TRB study of the Airspace Design, Civil-Military Coordination, and Operational Safety in the National Capital Region in Washington, D.C. Representatives from the National Transportation Safety Board, Federal Aviation Administration, airports, airlines, air traffic controllers, pilots, and families and friends of Flight 5342 will speak to the committee.

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.

May 27 – TRB Webinar: Getting Ahead of Airport Parking Reservation Systems and Techniques

May 28 - TRB Webinar: Art Programs in Public Transit

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!

2026 Aviation card.jpg

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.

News for You

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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
Research Roundup

Texas A&M University, Galveston - Quantifying Vessel Propeller Wash Impacts on Sedimentation in Shallow-Bay Ports and Waterways

Illinois Center for Transportation - Optimizing the Use of Local Aggregate in Stone-Mastic Asphalt

Georgia Department of Transportation - Quality Manual for Steel Bridge Fabrication

Argonne National Laboratory - DC Fast Charging Test Procedures

Governors Highway Safety Association - Transitioning from Reactive Planning to a Fast Loop: A Guide to Integrating Telematics Risk Analysis into Triennial Highway Safety Plans

AAA Foundation for Traffic Safety - Fatal Wrong-Way Crashes on Divided Highways, United States, 2014-2023

World Bank - How to Prepare and Execute Performance Based Contracts for Road Asset Management: For Advanced Users

TRB In the News

Air Traffic Controllers-small.jpg

On Friday, the Federal Aviation Administration announced updates to its air traffic controller hiring plan. Articles in the New York Times, Reuters, FOX News, AVBrief.com, and Inc.com all referenced the National Academies TRB's 2025 The Air Traffic Controller Workforce Imperative: Staffing Models and Their Implementation to Ensure Safe and Efficient Airspace Operations. 


The FAA also referenced a National Academies TRB's Peer Review of the Federal Aviation Administration's Study of the Effects of Passenger Seat Width and Pitch on Airplane Evacuation Performance also published in 2025 in an article in CBS News on airport evacuation proceedures.

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