Traffic design has long relied on rule-based frameworks, empirical data, and professional judgment to ensure safe and efficient roadway operations. Practitioners frequently consult design manuals such … [Read more...] about Evaluating LLMs for Roadway Design Compliance: An MUTCD-Based Evaluation of GPT-4 and Claude 3.5
Planning and Design
Work Zone Performance Measures Derived From Connected Vehicle Data for Safety and Mobility Assessment
On 1 November 2024, the Federal Highway Administration issued a final rule updating the 23 CFR Part 630 Subpart J on Work Zone Safety and Mobility, detailing performance measures and reporting … [Read more...] about Work Zone Performance Measures Derived From Connected Vehicle Data for Safety and Mobility Assessment
In-Service Evaluation of Temporary Sign Support Systems Against Wind Load
This short study analyzes the performance of multiple temporary sign support systems under windy conditions and provides recommendations to the Bureau of Safety Programs and Engineering of the … [Read more...] about In-Service Evaluation of Temporary Sign Support Systems Against Wind Load
Technical Brief on Connected Work Zones
Learn how connected work zone technologies are transforming roadway construction and maintenance operations through real-time data sharing, connected devices, and enhanced traveler communications. … [Read more...] about Technical Brief on Connected Work Zones
Advancing Nighttime Work Zone Safety
This fact sheet presents the Federal Highway Administration’s Advancing Nighttime Work Zone Safety initiative, which promotes safer and more efficient nighttime construction, maintenance, and utility … [Read more...] about Advancing Nighttime Work Zone Safety
Work Zone Programmatic Review Template
A work zone programmatic review is a data-driven, systematic, and holistic analysis that uses quantitative and qualitative data from different sources to assess the safety and mobility performance of … [Read more...] about Work Zone Programmatic Review Template