Road User Behavior

SafeTREC's Iman Mahdinia and Julia Griswold publish report on safety effects of stop-as-yield laws for bicyclists

September 23, 2024
Submitted by Karen Nguyen Vo
New report evaluates safety implications of stop-as-yield laws for bicyclists

In California, a bill to instate a "stop-as-yield" law for bicyclists — where cyclists can treat stop signs as yield signs — has been introduced multiple times but Evaluate the Safety Effects of Adopting a Stop-as-Yield Law for Cyclists in California August 2024 has consistently failed to be put...

Evaluate the Safety Effects of Adopting a Stop-as-Yield Law for Cyclists in California

Iman Mahdinia
Julia B. Griswold
Rafael Unda
Soheil Sohrabi
Offer Grembek
2024

The escalating number of injuries and fatalities among cyclists is a pressing safety concern. In the United States, communities are actively seeking strategies to boost cyclist safety, with some states implementing bike-specific policies, such as stop-as-yield laws, to support cyclists. Stop-as-yield laws allow cyclists to treat stop signs as yield signs. The laws are not yet widely implemented, and their potential safety impact is a subject of debate among transportation experts and advocates. This study investigates how stop-as-yield laws can positively or negatively affect safety and...

National Association of City Transportation Officials (NACTO) releases 2023 Shared Micromobility in the U.S. and Canada report

August 14, 2024
Submitted by Karen Nguyen Vo

The National Association of City Transportation Officials (NACTO) released the 2023 Shared Micromobility in the U.S. and Canada report in July 2024, where monthly and yearly trends in the usage of e-bikes, pedal bikes, and e-scooters were collected and analyzed.

The report finds that shared micromobility options are a popular and growing form of public transportation, especially in major cities, and...

SafeTREC’s SangHyouk Oum and Amalia Stahl to present at ATSIP 2024 Traffic Records Forum

August 7, 2024
Submitted by Karen Nguyen Vo

UC Berkeley SafeTREC associate director SangHyouk Oum and research data analyst Amalia Stahl will present at the Association of Transportation Safety Information Professionals (ATSIP) 2024 Traffic Records Forum on August 13, 2024 in San Diego, California. The Traffic Records Forum gathers transportation professionals, including data analysts and engineers, to discuss the best practices and newest collection methods of highway safety data and traffic records.

SafeTREC researchers will be speaking in the...

Course Announcement: Fall 2024 Public Health Injury Prevention and Control

August 5, 2024
Submitted by Lisa Peterson

Emergency responders with an ambulance to the left, people walking and biking in a crosswalk in the middle and a helmet and bike in a crosswalk on the right

Fall 2024: Public Health Injury Prevention and Control Public Health PH285a 2 units | Course #30506 Friday, 12pm - 2pm | Berkeley Way West 1206 Instructors

Glenn Shor, PhD, MPP, gshor@berkeley....

California Traffic Safety Survey 2024

Ewald, Katrin
Wasserman, Lisa
2024

Overview of 2024 Study

The 2024 California Traffic Safety Public Opinion Study was conducted by Ewald & Wasserman Research (E&W) on behalf of the California Office of Traffic Safety (OTS) and the Safe Transportation Research and Education Center of UC Berkeley (SafeTREC), using an online self-administered survey. Similar to previous years of the study, the survey panelists were provided through Marketing Services Group, a commercial sample and panel vendor.

To ensure a comparable sample disposition to previous years of data collection, six quota...

Research Brief: Mobility Safety for California’s Affordable Housing Residents: Co-locating Improvements

June 26, 2024
Submitted by Kris Leckie
New research brief highlights mobility safety needs for California’s affordable housing residents and provides recommendations to better connect mobility safety improvements with anticipated affordable housing developments.

A new research brief, Mobility Safety for California’s Affordable Housing Residents: Co-locating Improvements, authored by UC Berkeley SafeTREC's Kyler Blodgett explores how California is rapidly building affordable housing, yet...

June 11, 2024: SafeTREC's Griswold and Oum to present at OTS Traffic Safety Law Enforcement Forum

June 5, 2024
SUBMITTED BY LISA PETERSON
Upcoming forum to highlight the importance of traffic safety throughout CaliforniaCalifornia Office of Traffic Safety Logo

On June 11, 2024 SafeTREC's Director Julia Griswold and Associate Director SangHyouk Oum will present on key traffic safety topics at the ...

SafeTREC's Griswold awarded new contract for "Developing a Safe System Approach to Setting Speed Limits: Phase II"

May 6, 2024
SUBMITTED BY LISA PETERSON
Research project to inform future speed-limit-setting in CaliforniaPrinciples and elements of the Safe System approach to road safety

In April, 2024 SafeTREC Director Julia Griswold was awarded a new contract, "...

The 2024 CSSA: Partnering with 16 communities to advance Complete Streets safety improvements

March 29, 2024
Submitted by Lisa Peterson

This year as part of SafeTREC's Complete Streets Safety Assessment Program (CSSA) we are excited to share that we will be partnering with 16 communities throughout California to identify and implement traffic safety solutions that lead to improved safety for all users.

Participants at the Santa Cruz Complete Streets Safety Assessment conducting a walk audit

The 2024 CSSA Program

SafeTREC's...