The purpose of this report is to present the results of the deployment of Driveway Assistance Devices (DADs) as part of a temporary signal system on M-19 in St. Clair County. The project is part of … [Read more...] about Michigan Department of Transportation Permission to Experiment – 6(09)-35 (E): Driveway Assistance Device, Contract ID 77024-130024
Evaluation and Assessment
Data-Driven Work Zone Performance Evaluation Workshop
The Federal Highway Administration hosted a 4-hour virtual workshop to bring State Departments of Transportation (DOTs) together to collaborate on the state-of-practice and innovations in conducting … [Read more...] about Data-Driven Work Zone Performance Evaluation Workshop
Effectiveness of Lighted Work Zone Apparel: Effects on Visibility
The goal of this study is to evaluate effectiveness of lighted work zone apparel under realistic conditions. More specifically, the goal is to compare the effectiveness of various kinds of lighted … [Read more...] about Effectiveness of Lighted Work Zone Apparel: Effects on Visibility
Determining the Effective Location of a Portable Changeable Message Sign on Reducing the Risk of Truck-Related Crashes in Work Zones
Truck-related crashes contribute to a significant percentage of vehicle crashes in the United States, which often result in injuries and fatalities. The amount of truck miles traveled has increased … [Read more...] about Determining the Effective Location of a Portable Changeable Message Sign on Reducing the Risk of Truck-Related Crashes in Work Zones
Data-Driven Work Zone Process Reviews Case Study: Virginia Department of Transportation
Federal regulations in 23 CFR part 630 subpart J require State highway agencies to conduct a Work Zone Process Review (WZPR) every 2 years to evaluate work zone processes and procedures, as well as … [Read more...] about Data-Driven Work Zone Process Reviews Case Study: Virginia Department of Transportation
Improving Work Zone Safety With Intrusion Alarms
A work zone intrusion alarm (WZIA) system is a set of equipment that is intended to recognize when a work zone intrusion is occurring, and provide audible, visual, or vibratory alarms to rapidly alert … [Read more...] about Improving Work Zone Safety With Intrusion Alarms