Case Study Tag: Design

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Safety Circuit Rider Program

Virginia
The Safety Circuit Rider program provides training and technical assistance to improve safety on local roadways.
University of Virginia Webpage2023 Safety Summit Poster

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.
2023 Safety Summit Poster

Safer By Design Safety Scoring Tools

Texas
TxDOT's Safety Scoring Tools help designers understand the safety impacts of design elements and optimize safety in projects.
TXDOT Safer By Design Webpage2023 Safety Summit Poster

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.
Oregon State University Final Research Report2023 Safety Summit Poster

Development and Application of Safety Performance Functions in Project Delivery

Iowa
Based on models of Safety Performance Functions (SPFs), Iowa screened roadway facilities for Potential for Crash Reduction (PCR). PCR was then applied to project screening and prioritization, intersection projects, Super-2 corridor studies, a pilot safety corridor program, and environmental assessments.
Iowa State University ArticleIowa DOT PCR Portal2023 Safety Summit Poster

Systemic and Proactive Rural Curve Evaluation

Georgia
GDOT incorporated visibility enhancements and friction improvements on rural curves after finding that lane departures represented a large proportion of fatalities on curves.
FHWA Low-Cost Local Safety Solutions, 6.1FHWA Case Study, page 532023 Safety Summit Poster

Enhancing Nighttime Visibility for Safety

FHWA
The nighttime fatality rate on the nation's roadways is three times higher than the daytime rate, and 76% of pedestrian fatalities occur at night. FHWA offers tools including safety countermeasures, updated and new approaches for lighting design and traffic control devices.
FHWA Nighttime Visibility WebpageFHWA Nighttime Fact Sheet2023 Safety Summit Poster

Safety in Project Development

Texas
TxDOT is incorporating safety into project development through various policies, programs, strategies, methods, and guidelines. For example, the TSAP manual and Safer By Design tools are newer resources to help TxDOT employees incorporate safety into all they do.
Safer By Design WebpageTexas Traffic Safety Analysis Procedures Manual (TSAP) Manual2024 Safety Summit Poster

Connection SATX Downtown Feasibility Study: Historical Safety Analysis

Texas
A historical safety analysis from the Connection SATX Downtown Feasibility Study helped develop short-term improvements for the study area by analyzing vehicular and vulnerable road user crashes to identify specific safety concerns. The safety analysis provided great insights on vehicular, pedestrian, and cyclist crash patterns in the study area.
Study Webpage2024 Safety Summit Poster

MASH Test Level 3 Compliant Guardrail System on 1H to 1V Slope

Texas
Under some conditions, achieving the recommended 2-ft offset from guardrail posts to the slope break is challenging. Texas A&M Transportation Institute found a thrie-beam option would work in these conditions and pass MASH TL-3 tests.
Roadside Pooled Fund Test Report2024 Safety Summit Poster
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