Case Study Filter: Countermeasures

Oklahoma Safety Performance Measures

Oklahoma
Oklahoma DOT uses safety performance measures to identify and address safety issues like roadway departure, wrong-way driving, and work zone safety.

Systemic Safety Countermeasures and Collaborative Approaches at GDOT

Georgia
Georgia DOT uses crash data analysis to implement proactive, systemic safety countermeasures, improve safety for vulnerable users, optimize project delivery, and target unsafe driving behaviors.

Safety Circuit Rider Program

Virginia
The Safety Circuit Rider program provides training and technical assistance to improve safety on local roadways.

Systemic Countermeasures Implementation and Tracking

Virginia
Virginia DOT created a statewide inventory and tracking system for the performance of countermeasures, leading to better communication among employees and partners, and the ability to track ongoing progress.

A Collaborative Investigation of Truck Access into Roundabouts in Oregon

Oregon
Oregon DOT used field and simulation methods to understand and mitigate delays experienced by motor carriers in roundabouts, highlighting potential for improvements to better accommodate large vehicles.

A Machine Learning Approach to Systemic Safety Project Location Identification

Ohio
ODOT used machine learning to identify locations for systemic safety projects, focusing on pedestrian and roadway departure crashes.

Pedestrian Safety Improvements in Project Planning and Scoping

Nebraska
Nebraska DOT uses a variety of data analysis and screening methods during project planning and scoping to select countermeasures. Methods are also applied to systemic safety projects.

NCHRP Synthesis 336: DOT Practices for Road Safety Audits (RSAs)

NCHRP
With growing use of Road Safety Audits (RSAs), NCHRP gathered several state DOT case examples, compiled a list of available resources, and suggested future research.

VRU Safety in Action: A Systemic Approach to Pedestrian Safety at Bus Stops

Massachusetts
MassDOT uses data to identify high-risk bus stops, implement safety measures, and prioritize projects, collaborating with transit agencies to improve pedestrian safety.

FoRRRwD in Massachusetts

Massachusetts
MassDOT’s FoRRRwD initiative provided municipalities with low-cost safety countermeasures. As countermeasures were implemented, MassDOT noted reduced crashes and serious injuries from crashes.