The Texas Department of Transportation has been deploying work zone intelligent transportation systems in an effort to reduce the number of work zone crashes along the Interstate 35 (I-35) corridor. … [Read more...] about Effectiveness of End-of-Queue Warning Systems and Portable Rumble Strips on Lane Closure Crashes
Measures of Effectiveness
Evaluating the Effects of Queue Warning Systems on Freeway Work Zones Using Traffic Simulation Software
Work zones are a key component of the rehabilitation efforts that travelers on the U.S. national highway system interact with increasingly every day. Roadway construction, rehabilitation, and … [Read more...] about Evaluating the Effects of Queue Warning Systems on Freeway Work Zones Using Traffic Simulation Software
Evaluation of Automated Flagger Assistance Devices: Interim Report
Flagger safety is an important issue in work zones due to the proximity of the flagger to traffic. Some strategies for improving flagger safety include slowing down approaching vehicles or removing … [Read more...] about Evaluation of Automated Flagger Assistance Devices: Interim Report
Evaluation of Work Zone Split Traffic Symbol Sign
Effective signage that is easy to understand facilitates safe driving through a work zone. While the guidance for work zone signage in the Manual on Uniform Traffic Control Devices (MUTCD) is suitable … [Read more...] about Evaluation of Work Zone Split Traffic Symbol Sign
Highway Construction Work-Zone Safety: Effectiveness of Traffic-Control Devices
Pavement preservation is a proactive approach to maintaining existing highways. Freeway-preservation projects typically require construction workers to conduct their work in close proximity to ongoing … [Read more...] about Highway Construction Work-Zone Safety: Effectiveness of Traffic-Control Devices
Field Measurements on the Effect of Temporary Rumble Strips in Work Zone Flagging Operations
Limited-scale field measurements were collected to quantify the impact of two temporary rumble strip (TRS) layouts at two different two-lane roadway construction projects in Iowa. The field work was … [Read more...] about Field Measurements on the Effect of Temporary Rumble Strips in Work Zone Flagging Operations