Case Study Tag: Technology

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Real-Time Work Zone Speed Management and Advanced Safety Alerts System

Maryland
This project demonstrate utilizing UAS (unmanned aircraft) for work zone safety monitoring and speed management. The system has 4 functions: traffic sensing of lane-by-lane data; hazard identification of high-speed vehicles; proactive dissemination of situation-aware alerts; and dynamic downstream alert verification.
AASHTO Safety Summit Poster 2026

Rear-End Collision Prevention Function in Signalized intersection

Maryland
Study (pre-deployment assessment) aimed to mitigate rear-end collision risks at signalized intersections utilizing advanced lane-based, wide-range detection sensors extending Dynamic All Red Extension to optimizing the green termination time.
AASHTO Safety Summit 2026 Poster

A Proactive Path to Safer Roads: New Jersey DOT’s Systemic Safety Program

New Jersey
NJDOT’s systemic safety approach proactively reduces crash risk by applying low-cost, proven countermeasures across the network. The poster summarizes horizontal curve, wrong-way driving, school zones, signalized intersection, pedestrian, and bicyclist analyses using a machine learning approach.
AASHTO Safety Summit 2026 Poster

Integrating Crash Data and Telematics to Advance Safety Analysis in Nebraska

Nebraska
Safety professionals understand where crashes occur, while telematics is creating new opportunities to understand operational characteristics of the roadway. By including telematics in their safety management process, Nebraska enhanced network screening and identified targeted enforcement corridors.
AASHTO Safety Summit 2026 Poster

Improving Rural Intersection Safety and Efficiency with Dynamic Dilemma Zone Protection: Alabama Pilot Study

Alabama
Rural high-speed intersections in Alabama experienced several benefits, including 24-35% fewer red light-runner crashes, in a pilot of CWA (continuous wide area) sensors used in a dynamic DZP (dilemma zone protection) system.
AASHTO Safety Summit Poster 2025

TIM Training and Technology Supporting Post-Crash Care

FHWA
FHWA highlights efforts to support EMS through TIM technology, training, on-the-scene tools, and vehicles. Many states have introduced TIM training and technology to bolster post-crash care.
AASHTO Safety Summit Poster 2025

Safety of Automated Vehicles Services – Status and Projections

Colorado
AV robotaxi services are rolling out throughout the United States. The current safety record is encouraging. Projections show that the safety benefits of AV will be realized at scale in the 2030s.
AASHTO Safety Summit Poster 2025Scan Tour ArticleStudy Document

Driver Risk Based Analytics

Florida
Florida DOT identified hot spots for driver behavior across its District 2, allowing them to develop countermeasures to address poor behavior and crashes in those locations.
HSIP Report 2024Safe Roads Challenge WebsiteSafe Roads App - GoogleSafe Roads App - Apple

FDOT SAFETY Systems Enterprise

Florida
To identify locations with high Return on Investment for safety improvements, Florida DOT developed an advanced platform that integrates extensive data and safety metrics into one platform.
AASHTO Safety Summit Poster 2025

Applying a Safe System Approach to Reduce Risk at Railroad Crossings

Florida
FDOT employs multiple safety measures around railroad crossings, covering each safe system principle. Engineering countermeasures have reduced crashes, blockage, and unsafe behavior. FDOT proactively audits, inspects, and monitors for hazards.
AASHTO Safety Summit Poster 2025
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