Case Study Filter: Project Lifecycle

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MnDOT Safe System Approach Implementation Plan

Minnesota
The MnDOT Safe System Approach Implementation Plan integrates the SSA into programming. Their process involves an internal SSA implementation workgroup, tools library, speed management guide, training, and updated technical guidance documents.
AASHTO Safety Summit Poster 2025MnDOT SSA Implementation Plan

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

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

Connecting Work Zones for Safer Construction

Delaware
DelDOT's Accelerating Digital Inspection Practices with Connected Machinery (ADCMS) project involves collaborating with contractors and tech providers to share telematics data from construction equipment, enhancing work zone safety.
A Digital Leap in Delaware - DelDOT ADCMS Team Story MapADCMS: Building Momentum - DelDOT Story MapENR Article on AGC Highway Work Zone Safety Report

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 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.
Ohio DOT Story Map - Safety2023 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
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