TRB Special Report 330: Performance of Bridges That Received Funding Under the Innovative Bridge Research and Construction Program, examines the results of a federal program to promote innovation in highway bridge construction. The Innovative Bridge Research and Construction (IBRC) program, created by act of Congress, provided state departments of transportation with a total of $128.7 million i...

As many as 42 papers are now available in an online-first format for TRB’s Transportation Research Record (TRR): Journal of the Transportation Research Board . A total of 97 papers have been processed and sent to authors. Browse all online first papers on the TRR Online website.

A slideshow summary of the Transportation Research Board's pre- and post-September 11, 2001, transportation security and resilience activities is updated monthly.

Since September 11, 2001, more than 200 security-, emergency management-, and infrastructure protection-related planning and implementation projects have been initiated through programs managed by TRB. This report, updated monthly, provides information on more than $30 million worth of completed and ongoing TRB security-related research. The report includes information on research that is forma...

TRB has released Critical Issues in Transportation 2019 . In this report, which is updated periodically by the TRB Executive Committee, a series of challenging questions are posed to explore issues and opportunities that may arise 10 to 20 years into the future. These questions, 63 in all, have been organized into 12 topic areas and provide a way to frame future areas of research, policy analys...

TRB’s Airport Cooperative Research Program (ACRP) has released its annual report that reflects on its 2018 achievements and includes initiating 55 new research and special projects and publishing 29 research reports. New approaches to sharing research ideas, convening experts on emerging and rapidly evolving issues, and implementing research are highlighted in the 2018 report.

TRB’s National Cooperative Highway Research Program (NCHRP) has released its annual report. During 2018, NCHRP completed 150 research projects, published 68 research products, and approved 58 new and continuation projects. The report also presents detailed information about the operation of NCHRP.

TRB’s Transit Cooperative Research Program (TCRP) has released its annual report, which provides background and an overview of the program, status of each of TCRP’s projects, and a summary of some of the program's accomplishments for the year.

TRB’s Innovations Deserving Exploratory Analysis (IDEA) programs fund research into promising but unproven innovations for highways, transportation safety, and transit.

TRB’s Innovations Deserving Exploratory Analysis (IDEA) program has issued its New IDEAS for Transit: Transit IDEA Program Annual Report, which summarizes recent investigations conducted under the Transit IDEA program.   The Transit IDEA Program is designed to foster innovative concepts that have the potential to enhance security, increase ridership, improve efficiency for transit agencies...

TRB’s Innovations Deserving Exploratory Analysis (IDEA) program has released the latest issue of its New IDEAs for Highway Systems: Annual Progress Report, which summarizes projects active or completed during the 2018 program year.  A project of the National Cooperative Highway Research Program (NCHRP), the  NCHRP Highway IDEA program seeks proposals with potential to advance the cons...

TRB Special Report 329: Renewing the National Commitment to the Interstate Highway System: A Foundation for the Future explores pending and future federal investment and policy decisions concerning the federal Interstate Highway System. Congress asked the committee to make recommendations on the “features, standards, capacity needs, application of technologies, and intergovernmental roles to up...

TRB's Truck Size and Weight Limits Research Plan Committee has issued its second and final report, Research to Support Evaluation of Truck Size and Weight Regulations, to the U.S. Department of Transportation. The report presents a research plan to reduce the major sources of uncertainty in projections of the consequences of proposed changes in truck size and weight limits. The report defines a...

A November 9, 2018 report from TRB's Research and Technology Coordinating Committee (RTCC) to the U.S. Federal Highway Administration (FHWA) provides the committee’s reaction to the methods used by the Office of Research, Development, and Technology (RD&T) for ensuring strategic research, evaluating the impact of its research projects, and developing and leveraging research and technology p...

TRB's Airport Cooperative Research Program (ACRP) latest Impacts on Practice explores the impact ACRP Synthesis 39 : Airport Wildlife Population Management has had on integrated wildlife management plans at airports. A wildlife biologist at Orlando International Airport utilized this report to develop a holistic approach to mitigating bird strikes with a specific species of heron that thrives i...

TRB's E-Circular 235: Glossary of Transportation Construction Quality Assurance Terms: Seventh Edition contains common terms and accepted practice in transportation construction quality assurance terminology. Transportation construction quality assurance (QA), like many other specialized subject areas, has its own unique language containing numerous technical terms or expressions having very sp...

TRB's Transit Research Analysis Committee (TRAC) has delivered a letter report to Mr. Vincent Valdes, Associate Administrator for Research, Demonstration, and Innovation, Federal Transit Administration (FTA). The August 24, 2018 report describes the committee’s understanding of the Strategic Transit Automation Research (STAR) Plan and provides advice to FTA regarding this plan. TRAC, an interdi...

The National Academies of Sciences, Engineering, and Medicine have released a report that explores the influence of sexual harassment in academia on the career advancement of women in the scientific, technical, and medical workforce. The report reviews the research on the extent to which women in the fields of science, engineering, and medicine are victimized by sexual harassment and examines t...

TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 515: Practices for Preventing Roadway Departures identifies and summarizes practices being used by state departments of transportation (DOTs) to prevent roadway departure crashes and to identify the data-driven advantages and disadvantages of these practices. More than half of all traffic fatalities result from roadway depart...

TRB's Truck Size and Weight Limits Research Plan Committee has issued an interim letter report that explores the development of a research plan to reduce uncertainties in estimates of the impacts of changes in truck size and weight limits. The report summarizes the research recommendations of past truck size and weight limit studies, presents lists of candidate research problem statement topics...

To keep pace with accelerating rate of research distribution, the Transportation Research Record: Journal of the Transportation Research Board is now publishing articles as soon as they are finalized. The latest papers to be published are as follows: Use of a Laser Diffractometer to Obtain the Particle Size Distribution of Fine-Grained Soils Interstate Speed Profiles Conditioning and Testing Pr...

TRB's Transit Research Analysis Committee (TRAC) has delivered a letter report to Mr. Vincent Valdes, Associate Administrator for Research, Demonstration, and Innovation, Federal Transit Administration (FTA). The February 27, 2018, letter report provides feedback to FTA on its innovation initiatives that are a focus of the administration’s research plan. TRAC, an interdisciplinary committee of ...

TRB's E-Circular 228: Rebuilding and Retrofitting the Transportation Infrastructure documents the presentations from a conference of the same name held in Washington, D.C., in September 2017. This meeting was the 11th in a series of Spotlight Conferences funded by the U.S. Department of Transportation’s (DOT) Office of the Assistant Secretary for Research and Technology, University Transportati...

TRB's Committee for the Review of Federal Highway Administration (FHWA) Infrastructure R&D Program has issued its first Long-Term Infrastructure Program (LTIP) letter report. The first meeting was structured around a series of briefings on the two components of the LTIP: the Long-Term Pavement Performance (LTPP) program and the Long-Term Bridge Performance (LTBP) program. The charge to the ...

TRB’s National Cooperative Highway Research Program (NCHRP) Research Results Digest 402: Continuing Project to Synthesize Information on Highway Problems provides a 2018 update on current knowledge and practice, in a compact format, without the detailed directions usually found in handbooks or design manuals. Each report in the series provides a compendium of the best knowledge available on tho...

The 2017 Annual Report provides a summary of the Transportation Research Board's (TRB's) programs and activities over the last year and an overview of the individual divisions within TRB. The mission of TRB is to provide leadership in transportation innovation and progress through research and information exchange, conducted within a setting that is objective, interdisciplinary, and multimodal....

TRB’s Airport Cooperative Research Program (ACRP) has released its annual report that reflects on its 2017 achievements and includes initiating 44 new research and special projects and publishing 19 research reports. New approaches to sharing research ideas, convening experts on emerging and rapidly evolving issues, and implementing research are highlighted in the 2017 report.

TRB’s National Cooperative Highway Research Program (NCHRP) has released its annual report. During 2017, NCHRP completed 170 research projects, published 60 research products, and approved 64 new and continuation projects. The report also presents detailed information about the operation of NCHRP.

TRB’s Airport Cooperative Research Program (ACRP) Research Results Digest 27: Legal Aspects of Airport Programs - An Update is a digest of the background and status of ACRP Project 11-01, Legal Aspects of Airport Programs. During the first 11 years of ACRP Project 11-01, there have been almost 50 topics selected for legal research in broad areas of interest to the airport legal community. Thirt...

TRB’s Transit Cooperative Research Program (TCRP) has released its annual report, which provides background and an overview of the program, status of each of TCRP’s projects, and a summary of some of the program's accomplishments for the year.