Case Study Tag: Project development

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NCHRP: Institutionalizing the Safe System Approach in Planning and Programming

NCHRP
The new toolkit from NCHRP Project 08-171 helps transportation agencies break down barriers to SSA adoption. It offers 30 practical strategies in areas like working with elected officials, funding, and multimodal network design.
AASHTO Safety Summit 2025 PosterTRB Project Page

Predictive Safety Evaluation for Effective Infrastructure Planning

Texas
Using proprietary, AASHTO, and FHWA tools, TxDOT identified safety improvements, predicted, and evaluated safety performance in early stages of project development. The tools help every DOT project become a safety project.
AASHTO Safety Summit Poster 2025Safer By Design Tools WebsiteKaufman County Outer Loop ProjectUS 75 Tech Lanes Project

Combined CMF Calculator Tool

Texas
Texas DOT’s combined CMF calculator tool calculates the combined reduction factor of multiple countermeasures (which provides HSIP funding documentation). The full tool is accessible to district staff.
AASHTO Safety Summit Poster 2025

SOAP (Safety on All Projects)

West Virginia
SOAP (Safety on All Projects) is a process for including safety considerations on all projects, not just those with a safety focus, early in the process before bid documents are prepared.
AASHTO Safety Summit Poster 2025

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.
TPM Peer Exchange Video, Sep. 2024

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

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.
2023 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

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
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