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
Changeable Message Signs
Work Zone Speed Management
Work zone crashes are a significant problem in the United States, and speed is often cited as a contributing factor. Research has shown that drivers believe their driving behavior is safe and speed is … [Read more...] about Work Zone Speed Management
Work Zone Intelligent Transportation Systems – Technology Supplement
This report represents a technology supplement to the 2014 Work Zone Intelligent Transportation Systems (WZITS) Implementation Guide (Report No. FHWA-HOP-14-008). The Guide forms the foundational … [Read more...] about Work Zone Intelligent Transportation Systems – Technology Supplement
Evaluation of Dynamic Speed Feedback Signs on Freeway Interchange Ramps
Dynamic speed feedback signs (DSFS) are promising countermeasure to reduce curve speeds and subsequent lane departures at freeway interchange ramps, although their use in such contexts has been … [Read more...] about Evaluation of Dynamic Speed Feedback Signs on Freeway Interchange Ramps
Variable Speed Limit Control of Traffic Flow in Expressway Construction Zone
With the increasing speed of construction and the continuous improvement of its corresponding infrastructure, the expressway plays an increasingly important role in promoting the development of … [Read more...] about Variable Speed Limit Control of Traffic Flow in Expressway Construction Zone
Behavioral Traffic Safety Messaging on Variable Message Signs
Changeable, electronic, or dynamic message signs are used to provide real-time traffic information to drivers while en route to their destination. Many agencies also use these signs to display safety … [Read more...] about Behavioral Traffic Safety Messaging on Variable Message Signs