Case Study Tag: Technology

A Practical Framework for Safety Analysis in GIS

FHWA

FHWA offers a framework for how GIS methods can help practitioners assess safety risk in areas with limited data.

2023 Safety Summit Poster

Improving Safety and Mobility at Traffic Signals

Utah

UDOT is addressing safety and mobility at traffic signals for all road users, including snow buildup in traffic signal LEDs, wrong-way driving countermeasures, and accessible pedestrian signals. Automated performance measures allow for full situational awareness, even for vulnerable road users.

Traffic Signals Webpage Local News Video-LIDAR ATSPM Webpage 2024 Safety Summit Poster

Wrong-Way Driver Action Plan

New Hampshire

The NHDOT Wrong-Way Driver Action Plan aims to address the increasing threat of wrong-way drivers by identifying risk factors and guiding systemic deployment of countermeasures.

Local News Article 2024 Safety Summit Poster

The Safe System Approach in Minnesota

Minnesota

The MnDOT Safe System Approach (SSA) implementation plan has the goal of institutionalizing the SSA across the agency. will be a framework leading the agency to broad application of SSA principles throughout the project development process. The SSA will be seen as an approach for staff at MnDOT to utilize in their work toward eliminating fatalities and serious injuries.

Project Overview Slides, May 2024 Project Overview Slides, 2023 2024 Safety Summit Poster 2023 Safety Summit Poster

Public Outreach Efforts to Earn Local Support for Safety Countermeasures

Iowa

Iowa DOT uses a variety of public outreach efforts to garner local support for safety countermeasures, such as a video series, dynamic message signs, social media and blog posts, public meetings, informational materials, a speed feedback sign program, and a public awareness campaign.

Speed Feedback Sign Program What Drives You Campaign Roadside Chat Blog 2024 Safety Summit Poster

Data-Driven Strategies Using Predictive Modeling and Interactive Dashboards

Iowa

Since traffic safety projects often yield varying impacts on safety performance, Iowa DOT established a robust system to track crash histories related to safety projects, which is essential to assess project effectiveness, efficiency, and return on investment. The system is helpful to site identification, safety issue diagnosis, and countermeasure evaluation.

Traffic Safety Dashboards 2024 Safety Summit Poster

Pavement Marking Retroreflectivity

FHWA

The Final Rule on maintaining pavement marking retroreflectivity goes into effect September 6, 2026. Agencies can use recommended methodologies to better prioritize budgets, maximize the life of pavement markings, and improve roadway safety.

Methods Report MUTCD 11th Edition Methodology Videos 2024 Safety Summit Poster

Advancing Work Zone Safety: Real-Time Digital Workers

Delaware Iowa Louisiana Nebraska

Work zones pose significant dangers to both workers and drivers. Traditional notification systems often fail to provide real-time information. DOTs are using platforms like EDOT to integrate various data streams and provide automated, real-time alerts about active work zones, fostering collaboration and more comprehensive safety measures.

ARTBA Case Study 2024 Safety Summit Poster

High Wind Blow-Over Crash and Closure Reduction Study

Wyoming

High wind blow-over crash and closure reduction study implemented targeted warnings and closures, reducing blow-over incidents.

Research Report Legislative Briefing Slides ESRI Case Study AASHTO Case Study

Innovative Countermeasures to Deter Wrong-Way Driving (TRC 2105)

Arkansas

TAPCO Wrong-Way Driving Detection Systems pilot project detected and corrected wrong-way drivers, showing promising results for further implementation.

TRC Presentation 2023 (See “Resilient Infrastructure”)Local News Article Local News Video AASHTO Case Study