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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TRB Weekly covers the latest in transportation research.
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 Get up to speed! Look for updated chapters in the Highway Capacity Manual. Updates to the HCM address limitations of previous methodologies while redesigning them to be more streamlined and consistent with the fundamental speed–flow–density relationship.
Find updates in:
· Chapter 13 – Freeway Weaving Segments
· Chapter 14 – Freeway Merge and Diverge Segments
· Chapter 27 – Freeway Weaving: Supplemental
· Chapter 28 – Freeway Merges and Diverges: Supplemental
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The construction industry consistently reports higher than average rates of suicide and drug use. Programs that promote psychological wellbeing and address behavioral health challenges are inconsistent across transportation agencies and guidance spcifically for the transportation workforce is limited. A strong majority of the state departments of transportation surveyed have formal programs or initatives for mental health and wellbeing, substance use and addiction, or suicide prevention. TRB's NCHRP Synthesis 658: Mental Health, Suicide Prevention, and Addiction Mitigation in Construction and Maintenance documents and assesses the state of practice across DOTs.
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February 25 - TRB Webinar: Improving Mobility in Rural and Tribal Communities
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February 27 – TRB Webinar: Rethinking the Road Test to Identify High-Risk Drivers
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March 2 - TRB Webinar: The Power of Clear Language in Highway Safety Documentation
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April 28 - 29 - Join the Marine Board spring meeting in Irvine, CA. Presentations will focus on how advanced analytics can support financial and operational decision making across the public and private sector domains of the Marine Transportation System in the face of changing risk profiles, potential supply chain shifts, technology adoption, emerging grey zone threats, and regulatory changes.
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Share your ideas for public transportation issues needing more research. TRB's TCRP Synthesis Program state-of-the-practice documents highlight approaches that practitioners have found successful. If you need to know what's working for an agency in a situation like yours, submit a topic by March 27.
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