Case Study Tag: Context

A Unified Framework for Safe System Implementation

California

Caltrans developed a safe system framework that adds hierarchy to strategies and incorporates context into decision-making.

AASHTO Safety Summit Poster 2025

FDOT’s Application of Target Speed

Florida

FDOT developed a context classification guide for roadway design. Target speeds are determined by many data points, by context classification and for the safe mobility of all users.

AASHTO Safety Summit Poster 2025 Context Classification Guide Smart Growth America Article

Context-Sensitive Speed Limit Setting

Delaware

DelDOT combats rising traffic fatalities by adopting context-sensitive speed limits, partnering with local agencies, and moving beyond the 85th percentile method.

TZD DelDot Case Study

Implementing Complete Streets in Kentucky

Kentucky

When KYTC implemented Complete Streets, they found large reductions in fatalities and serious injuries at two-way stop and signalized intersections.

KYTC Press Release KYTC Complete Streets Webpage 2023 Safety Summit Poster

National Complete Streets Assessment

FHWA

In 2023, FHWA published results of a survey to establish a baseline of Complete Streets and active transportation, finding trends and notable projects in each of the 50 states, Washington, D.C., and Puerto Rico.

FHWA At-A-Glance Report 2023 Safety Summit Poster

How SS4A can Keep Effingham County Residents Safe

Georgia

The Effingham County's Safety Action Plan, created with Safe Streets for All (SS4A) funding, is based on data analysis, public input, and stakeholder meetings.The plan highlights prioritized areas for improvement, and aims to reduce fatal crashes to zero.

Safety Action Plan Resolution 2024 Safety Summit Poster

DelDOT’s Road Design Manual

Delaware

The DelDOT Road Design Manual includes key changes in road design practices with several new and updated policies and guidelines geared toward creating a safer, more multi-modal roadway network.

Road Design Manual Website 2024 Safety Summit Poster

Natural Bridge Avenue Safety Project

Missouri

The Natural Bridge Ave road diet and safety project reduced speeds by 17%, reduced all crashes by 75% and fatal pedestrian crashes by 100%.

Project Webpage AASHTO Case Study

Access Management Study – FM 1488

Texas

The Texas Department of Transportation (TxDOT) studied access management to improve safety on a four-lane roadway in a growing area

Study Summary Report