Thousands of crashes occur in work zones each year, leading to numerous fatalities and injuries. A sizeable portion of these crashes can be attributed to excessive speed, which emphasizes the need to … [Read more...] about Identification and Testing of Measures to Improve Work Zone Speed Limit Compliance
Traffic Regulations
Improving Compliance with Work Zone Speed Limits: Effectiveness of Selected Devices
Thousands of crashes occurring in work zones each year lead to numerous fatalities and injuries. The sizeable portion of these crashes attributed to excessive speed emphasizes the need to motivate … [Read more...] about Improving Compliance with Work Zone Speed Limits: Effectiveness of Selected Devices
Slow Down! TTI Researchers Recommend Strategies for Slowing Drivers Around Work Zones
Making drivers comply with work zone speed limlits can be a difficult task. In 2000, there were 9500 crashes within a work zone and speed was the major cause in 42% of those crashes. The problem is … [Read more...] about Slow Down! TTI Researchers Recommend Strategies for Slowing Drivers Around Work Zones
Estimation of Relationships Between 85th-Percentile Speed, Standard Deviation of Speed, Roadway and Roadside Geometry, and Traffic Control in Freeway Work Zones
Understanding speed behavior in construction work zones is critical to making appropriate geometric design, roadside design and traffic control decisions. Gaps exist in national work zone design … [Read more...] about Estimation of Relationships Between 85th-Percentile Speed, Standard Deviation of Speed, Roadway and Roadside Geometry, and Traffic Control in Freeway Work Zones
Field Evaluation of Variable Advisory Speed Limit System for Reducing Traffic Conflicts at Work Zones
A practical methodology to reduce the traffic conflicts at work zones was developed and evaluated in the field. The proposed system uses variable advisory speed limits that are determined with a … [Read more...] about Field Evaluation of Variable Advisory Speed Limit System for Reducing Traffic Conflicts at Work Zones
Guidelines for Work Zone Intrusion Countermeasures
Provides use guidelines and reporting requirements for the following: rumble strips, channelizing device spacing reduction, flagger station setups, work zone speed limit reductions, police … [Read more...] about Guidelines for Work Zone Intrusion Countermeasures