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.

Safety of Automated Vehicles Services – Status and Projections

Colorado
AV robotaxi services are rolling out throughout the United States. The current safety record is encouraging. Projections show that the safety benefits of AV will be realized at scale in the 2030s.

Connecticut’s Move Over Law

Connecticut
The CT Department of Transportation Highway Safety Office (CTDOT) and the Colchester Fire and EMS, initiated a statewide educational program to advance the “Slow Down, Move Over” initiative. As part of the program, the Colchester Fire and EMS mounted a Scorpion device on a truck to serve as a physical safety barrier for roadside operations.

Rounding Out Roundabouts in CT

Connecticut
Connecticut DOT formed a roundabout committee of professionals trained on evaluating the planning, design, and construction of roundabouts on municipal and state roads.

Driver Risk Based Analytics

Florida
Florida DOT identified hot spots for driver behavior across its District 2, allowing them to develop countermeasures to address poor behavior and crashes in those locations.

Investment Strategies for Proven Safety Countermeasures

FHWA
FHWA's Proven Safety Countermeasures Funding Scenario Companion Guide and spreadsheet tool helps prioritize safety investments based on benefit-cost ration (BCR) or countermeasure score.

Case Study in Mitigating Extreme Speeding

Florida
Traditional traffic control devices were failing on high-speed roads in Florida. FDOT saw significant and sustained reductions in extreme speeding after adding speed shields to S.R. 46. The speed shields are an innovative, low-cost countermeasure that delivered immediate and sustained speed reductions.

ATSSA: 2025 Innovations Saving Lives on America’s Roads

ATSSA
ATSSA highlights roadway safety innovations that include AI & machine learning for predictive safety, smart work zone and connected vehicle technologies, modular and sustainable materials, enhanced visibility for pedestrians and workers, and real-time data integration.

FDOT SAFETY Systems Enterprise

Florida
To identify locations with high Return on Investment for safety improvements, Florida DOT developed an advanced platform that integrates extensive data and safety metrics into one platform.