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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 Publications

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State departments of transportation are responsible for managing stormwater runoff to comply with pollutant load regulations. TRB Special Report 360: Managing Highway Stormwater Quality: Driving Progress focuses on engineering and infrastructure strategies and recommends action that can help.

Updated modeling options that account for different land uses and are validated with representative empirical monitoring data can better enable state DOT decision makers. Acknowledging the difference in total maximum daily load (TMDL) pollutants that originate from highways through traffic (such as tire and brake wear contaminants) and pollutants that do not originate from highways but are conveyed to water bodies (such as nutrients and bacteria from adjacent land uses) may improve source control. Participation in watershed-scale TMDL alternative approaches for managing highway stormwater may also result in practical and desirable outcomes.

The report also identifies areas for collaboration between state DOTs, the U.S. Environmental Protection Agency, and Federal Highway Administration officials along with state environmental authorities. These partnerships could result in improved design, construction, and maintenance procedures and guidance. Furthermore, engagement between the agencies early in the process, and longer opportunities for public participation can account for concerns specific to different parts of a watershed to more holistically manage TMDL pollutants. Read the report to learn more.

Events

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

May 28 - TRB Webinar: Art Programs in Public Transit

June 2 - TRB Webinar: Addressing Mental Health and Substance Use in Construction and Maintenance

June 3 - Join a session covering the release of the National Academies Health and Safety Impacts of Aircraft Cabin Temperatures report. Members of the committee will provide an overview of the report’s conclusions and recommendations and answer audience questions.

June 9 - TRB Webinar: New York City Congestion Pricing—Modeling a New Reality

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Join Greg Pecoraro of National Association of State Aviation Officials, Luigi Campanale of The Jones Payne Group (pictured left), Mia Held of C&S Engineers, Inc. & Linn Smith, State of Michigan (pictured right), Jiahao Yu and Mary E. Johnson of Purdue University to discuss how the aviation industry’s understanding of AAM infrastructure needs has been evolving, the current state of vertiport design standards, and challenges that we still need to confront as an industry, to rise to the moment that AAM operations begin in earnest. Register for our TRB Symposium on Aviation Innovation and Research in Dayton, OH next month!

News for You

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Share feedback on research products from the Airport Cooperative Research Program (ACRP), Behavioral Traffic Safety Cooperative Research Program (BTSCRP), National Cooperative Highway Research Program (NCHRP), and the Transit Cooperative Research Program (TCRP). Your responses will be used to help improve the impact, usefulness, and format of future research products. Complete this survey by June 5.

Keep your research organized! Watch a brief tutorial on saving searches, marking records, and reviewing search history in TRID. Strengthen your workflows and collaboration and manage smoother integration with citation managers and other research tools too.

 
 

Research Roundup

University of Arkansas, Fayetteville – Evaluation of Impacts Due to a Bridge Closure: A Case Study of the Mississippi River Bridges in Arkansas

National Laboratory of the Rockies – Strategic Pathways for Indigenous Resilient and Innovative Transportation: A Guide to Public Electric Vehicle Charging Infrastructure for Tribes

AAA Foundation for Traffic Safety – Trends in U.S. Drivers’ Perceptions and Attitudes Toward Vehicle Automation, 2019–2025

Indiana Department of Transportation – Case Studies Documenting Lessons Learned and Identifying Opportunities for Maintenance of Traffic (MOT) Improvements

Congressional Research Service – The Strait of Hormuz in Brief: Non-Oil Shipments and Effects on U.S. Shippers

National Transportation Safety Board – Marine Investigation Report: Fire aboard Pipelayer Deep Energy

World Bank – Guide for Road Safety Assessments for Urban Railway Crossings and Stations

AASHTO – 2025 AASHTO State DOT HR Metrics Report

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The opinions expressed in reports highlighted in TRB Weekly are those of the authors and do not necessarily reflect the views of the Transportation Research Board or the National Academies of Sciences, Engineering, and Medicine.
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