All News
November 18, 2025
For immediate release
November 14, 2025
People who live or travel in Humboldt County have used the Street Story platform to make more than 1,500 reports of hazards, near-misses, crashes, and safe places on local streets, roads and highways as of November 5, 2025.
November 3, 2025
Join us in welcoming new members to the SafeTREC team!
Phoebe Chiu
Student Assistant
October 27, 2025
The 2025 SafeTREC Traffic Safety Facts series features the latest trends and data on various traffic safety topics, including pedestrian and bicyclist safety, drug and alcohol-impaired driving, and emergency medical services.
October 13, 2025
Former SafeTREC visiting student researcher and current doctoral student at UC Davis School of Medicine and Institute of Transportation Studies Katarina Cook will be presenting the poster "At the Intersection of Hit-and-Runs and Homelessness: Pilot Risk Analysis and Postmortem Case Series" at the American Medical Association (AMA) Research Challenge virtual symposim.
The Safe System Approach (SSA) is central to U.S. transportation safety. While progress is underway, it is often siloed and reactive. On October 28, 2025 SafeTREC director Julia Griswold will present a poster at the 2025 AASHTO Safety Summit and Peer Exchange in New Orleans, LA that proposes a Unified Safe System Implementation Framework combining concepts from public health, context-sensitive design, and kinetic energy risk management to address this.
October 8, 2025
On October 23, 2025 SafeTREC director Julia Griswold will present in the "Telling Your Story: Crafting a Compelling Grant Narrative" breakout session as part of the 2025 California Active Transportation Program Symposium in Davis, California.
October 6, 2025
Work with Us!
The Safe Transportation Research and Education Center (SafeTREC) is a multidisciplinary group affiliated with the School of Public Health and the Institute of Transportation Studies. Our mission is to inform decision-making and empower communities to improve roadway safety for all, with an emphasis on vulnerable road users in California. We achieve this by working with academics, government agencies, and community-based organizations. We currently have one position open. Please see the details below and upcoming review date.
October 2, 2025
October is National Pedestrian Safety Month! Get inspired to advance safer walking for all in your community and explore the final reports from our Community Pedestrian and Bicycle Safety Program (CPBSP). This year, we partnered with 13 communities to help advance their pedestrian and bicycle safety goals.
On Wednesday, October 8, 2025, SafeTREC postdoctoral researcher Sujin Lee will present "Evaluate the effects of speed camera installation using telematics data in San Francisco" in the upcoming Metrolab Student Showcase as part of the Talk with the Experts Series. The webinar will showcase the groundbreaking research from the 2025 INRIX x MetroLab Challenge winners.
UC Berkeley SafeTREC has recently released two new research briefs: "Advancing Youth Helmet Adoption Through Community-Based Programming" and “Pairing Speed Limit Reductions and Infrastructure to Lower Fatal and Serious (FSI) Crashes.”
September 30, 2025
Needs Assessment: California Safe System Institute for Road Safety
UC Berkeley’s Safe Transportation Research and Education Center (SafeTREC) has released the California Safe System Institute for Road Safety Executive Summary, highlighting findings from a statewide Needs Assessment conducted in partnership with Vision Zero Network and Fehr & Peers. Funding for this program was provided by a grant from the California Office of Traffic Safety, through the National Highway Traffic Safety Administration.
Photo credit: Matthew Raifman
September 26, 2025
UC Berkeley SafeTREC and the Center for Pedestrian and Bicyclist Safety (CPBS), a Tier-1 University Transportation Center (UTC) supported by the United States Department of Transportation (USDOT) and led by the University of New Mexico (UNM), has released a Year 1 (2023-2024) research report titled "A context-sensitive roadway classification framework for speed limit setting in the US" authored by UC Berkeley's Julia Griswold, Cheng-Kai Hsu, Melody Tsao and John Bigham; University of Wisconsin-Milwaukee's Robert Schneid
September 19, 2025
UC Berkeley SafeTREC has recently released a new research brief titled "An Early Analysis of Speed Safety Camera Program Rollout in California" by former graduate student researcher Kyler Blodgett.
September 10, 2025
August 11, 2025
Autonomous Vehicles (AV) Safety Dashboard - visualize AV crashes and mileage data in California
August 7, 2025
August 6, 2025
Preliminary Statewide Integrated Traffic Records System (SWITRS) data for 2024 indicates that traffic crashes caused 3,376 preventable deaths statewide, of which 950 were pedestrians and 148 bicyclists. Additionally, in 2024, there were 16,142 people seriously injured in traffic crashes in California, including 2,531 pedestrians and 1,255 bicyclists. These deaths are unacceptable and preventable.
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