Controlling traffic in work zones to improve safety has long been a major concern for highway agencies. Three traffic control devices- white lane drop arrows, orange rumble strips, and the CB wizard … [Read more...] about Evaluation of Three Supplementary Traffic Control Measures for Freeway Work Zones
Iowa State University
Evaluation of Two Strategies for Improving Safety in Highway Work Zones
During 1999, the Departments of Transportation from the states of Kansas, Nebraska, Iowa, and Missouri conducted a pooled-fund study of innovative devices designed to improve the safety and efficiency … [Read more...] about Evaluation of Two Strategies for Improving Safety in Highway Work Zones
Capacity of Freeway Work Zone Lane Closures
This paper reports on part of the research that was done by CTRE for the Iowa DOT to evaluate the capacity of lane closures and driver behavior. … [Read more...] about Capacity of Freeway Work Zone Lane Closures
Evaluation of Speed Reduction Techniques at Work Zones
The goal of the Midwest States Smart Work Zone Deployment Initiative (MwSWZDI) is to develop better ways of controlling traffic through work zones, which improves traffic safety and traffic operating … [Read more...] about Evaluation of Speed Reduction Techniques at Work Zones
Effectiveness of Extra Enforcement in Construction and Maintenance Work Zones
As traffic-related work zone crashes continue to increase across the nation, safety of road users and workers has become a top priority for transportation agencies. Since inattention and irresponsible … [Read more...] about Effectiveness of Extra Enforcement in Construction and Maintenance Work Zones
Traffic Control Strategies in Work Zones With Edge Drop-Offs
Pavement and shoulder edge drop-offs commonly occur in work zones. The depth of these elevation differentials can vary. The potential hazards associated with pavement edge differentials depend on … [Read more...] about Traffic Control Strategies in Work Zones With Edge Drop-Offs