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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"Now is the time to act swiftly," says Eric Rensel of TRB's summit, The Future of the Transportation Workforce. Attendees will be able to "pivot from 'plans and research' to 'act and implement'." Get inspired by watching Eric and Tyler Reeb, from the summit's planning committee. Then register to join June 2 - 4 in Westminster, CO.
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Images sourced from the Oregon Department of Transportation's Digital Video
The availability of large-scale, high resolution, and consistently collected road data will improve the safety of all road users. The use of artificial intelligence, machine learning, and big data is key in providing the information needed to power data-driven, public and proprietary safety analysis tools as well as predictive and other systemic safety tools.
NCHRP Research Report 1152: Leveraging Artificial Intelligence and Big Data to Enhance Safety Analysis: A Guide, is a new release from TRB's National Cooperative Highway Research Program. The report outlines the limitations of traditional safety evaluations and demonstrates how new data sources—like connected vehicles, LiDAR, video analytics, and edge devices—can enhance safety insights and predictive capabilities. Case studies include successful pilots with the Oregon Department of Transportation showcasing ML models for inventorying streetlights and the City of Bellevue, WA analyzing vehicle turning behavior.
Also, register today for TRB's Conference on Data and AI for Transportation Advancement May 27-29 in Seattle, WA.
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| April Spotlight: Work Zone Safety |
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April 21 - 25 is National Work Zone Awareness Week (NWZAW). Variable-message signs (VMS) are used on U.S. roadways in a wide variety of circumstances, including for traffic management at special events, during emergencies, and often when patterns are altered around construction work zones.
A 2022 report from TRB's Behavioral Traffic Safety Cooperative Research Program concluded that for VMS to improve road safety, messages must be short, clear, and focused on a single safety topic. Avoiding humor and pop-culture references is key. VMS can enhance safety by delivering persuasive, easy-to-understand messages that drivers can process quickly without distraction.
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April 24 – TRB Webinar: Supply Chain Based Resilience Planning in the U.S.
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April 28 - TRB Webinar: Urban and Rural Freight Movement—Statewide Corridor Considerations
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TRB's Transit Innovations Deserving Exploratory Analysis (IDEA) program provides funding early in the development process for promising but unproven innovative concepts and methods to improve the efficiency, safety, security, maintenance, and ridership of transit systems. Proposals are permitted up to $150,000. Review the application steps and send in your proposal documents by May 15.
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