Back to AASHTO

State Safety Initiative Database

Explore relevant case studies by filtering via agency, keyword, or pre-set filters in the left menu, or by using the topic tags located at the bottom of the page.

Minnesota TZD E-Bike Webinar

Minnesota
Minnesota DOT, its Toward Zero Deaths program, the Minnesota Departments of Health and Public Safety brought partners together to talk about "everything e-bikes:" safety, EMS implications, policy, and educational programming. The webinar was funded by NHTSA and hosted by the University of Minnesota's Center for Transportation Studies.
TZD Traffic Safety Hotdish: Everything E-Bikes — Exploring Policy, Safety, Programming, and Research

Advancing Transportation Safety in Colorado – A New Approach to Implementing a Strategic Highway Safety Plan

Colorado
Colorado introduced an annual action planning and refining process to SHSP implementation. The action plans allow Colorado DOT to respond to changes in transportation safety and adapt over the 5-year SHSP period.
AASHTO Safety Summit Poster 2025

A Unified Framework for Safe System Implementation

California
Caltrans developed a safe system framework that adds hierarchy to strategies and incorporates context into decision-making.
AASHTO Safety Summit Poster 2025

Improving Rural Intersection Safety and Efficiency with Dynamic Dilemma Zone Protection: Alabama Pilot Study

Alabama
Rural high-speed intersections in Alabama experienced several benefits, including 24-35% fewer red light-runner crashes, in a pilot of CWA (continuous wide area) sensors used in a dynamic DZP (dilemma zone protection) system.
AASHTO Safety Summit Poster 2025

AASHTOWare: Prioritizing Roadway Departure Crashes

AASHTO
AASHTOWare compares and contrasts three methods for safety improvement location identification: 1) crash prediction model, 2) expected crash frequency exceeding threshold, and 3) crash prediction model + systemic safety characteristics.
AASHTO Safety Summit Poster 2025

Advancing Regional Roadway Safety: MWCOG TPB Regional Safety Summit

District Columbia
The MPO for Washington, D.C. started a regional roadway safety summit to collaborate with regional partners on meeting safety goals.
AASHTO Safety Summit Poster 2025USDOT Allies in Action Website

TIM Training and Technology Supporting Post-Crash Care

FHWA
FHWA highlights efforts to support EMS through TIM technology, training, on-the-scene tools, and vehicles. Many states have introduced TIM training and technology to bolster post-crash care.
AASHTO Safety Summit Poster 2025

Traffic Incident Management Strategies for Electric Vehicle Fires

FHWA
With an increasing number of electric and hybrid vehicle fires on roadways, FHWA developed a State of Practice report to support roadway safety and incident management in EV fires.
AASHTO Safety Summit Poster 2025
Safety Highlights Tags