Almost a decade ago, the FHWA launched a joint program with all 50 states to develop technology to demonstrate the feasibility of providing real-time traffic information to motorists approaching work … [Read more...] about Upgrading Work-Zone Safety: Real-time Traffic Information Helps Notify Motorists of Upcoming Work Zones
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Evaluation of Rural Interstate Work Zone Traffic Management Plans in Iowa Using Simulation
Traffic levels on Interstate Highway 80 in eastern Iowa increased percent between 1988 and 1997, with summer traffic volumes approaching 40,000 vehicles per day. These traffic levels and the expected … [Read more...] about Evaluation of Rural Interstate Work Zone Traffic Management Plans in Iowa Using Simulation
Evaluation of Three Supplementary Traffic Control Measures for Freeway Work Zones
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
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