Single-vehicle run-off-the-road crashes result in about one-third of all highway fatalities and one-half million people injured annually, with a societal cost of $80 billion each year. Continuous … [Read more...] about HSIS Summary Report: Safety Evaluation of Rolled-In Continuous Shoulder Rumble Strips Installed on Freeways
Rural Highways
Optimum Length of Single-lane Closures in Work Zones on Rural Four-lane Freeways
The lengths of single-lane closures in work zones on rural four-lane freeways are commonly based on the expected work rate in order to avoid moving the temporary traffic control zone more frequently … [Read more...] about Optimum Length of Single-lane Closures in Work Zones on Rural Four-lane Freeways
Feasibility of Portable Traffic Signals to Replace Flaggers in Maintenance Operations
The purpose of the research project was to explore the use of portable traffic signal technology as a means for improving the efficiency of two-lane rural maintenance operations. The research findings … [Read more...] about Feasibility of Portable Traffic Signals to Replace Flaggers in Maintenance Operations
Field Evaluation of Work Zone Speed Control Techniques
The results of field studies conducted in Texas to evaluate selected methods of slowing work zone traffic to acceptable speeds are presented. The studies were performed at six work zone sites, … [Read more...] about Field Evaluation of Work Zone Speed Control Techniques
Indiana Lane Merge System for Work Zones on Rural Freeways
The Indiana Department of Transportation and Purdue University have been investigating and implementing a novel traffic control system at two-lane freeway work zone entries to reduce the number of … [Read more...] about Indiana Lane Merge System for Work Zones on Rural Freeways
Proceedings of the Symposium on Work Zone Traffic Control
Fatalities from motor vehicle accidents in work zones continue to increase. To improve safety and efficiency of day-to-day maintenance and operations of work zones, the Federal Highway Administration … [Read more...] about Proceedings of the Symposium on Work Zone Traffic Control