This report is the second phase of a longitudinal research study. The first phase of the project, conducted by Garber and Patel, examined the short term effectiveness of CMS in reducing vehicle speeds … [Read more...] about Effectiveness of Changeable Message Signs in Controlling Vehicle Speeds in Work Zones – Phase II
Planning and Design
Effect of Radar Drone Operation on Speeds at High Crash Risk Locations
At highway construction and maintenance work zones and other locations where roadway alignment, road surface, and traffic flow conditions have contributed to high crash rates, crash risk may be … [Read more...] about Effect of Radar Drone Operation on Speeds at High Crash Risk Locations
Review of Behavioural Studies, Accident Studies and Research Methods
The present Deliverable 2 reports on the work carried out for Workpackage 2 of the ARROWS Project, titled Review of Behavioural Studies, Accident Studies and Research Methods. The main objectives of … [Read more...] about Review of Behavioural Studies, Accident Studies and Research Methods
Temporal Speed Reduction Effects of Drone Radar in Work Zones
Three experiments were conducted to evaluate the effectiveness of using drone (passive or unmanned) radar guns on vehicle speeds in work zones. Experiment 1 was an exploratory study to determine the … [Read more...] about Temporal Speed Reduction Effects of Drone Radar in Work Zones
Safety Effects of Fluorescent Yellow Warning Signs at Hazardous Sites in Daylight
Yellow warning signs are an important and abundant type of traffic control device. Improving warning signs could be a cost-effective countermeasure at hazardous locations. The use of fluorescent … [Read more...] about Safety Effects of Fluorescent Yellow Warning Signs at Hazardous Sites in Daylight
State’s Safety Efforts Put Trooper at Fatal Location: Program Attempts to Slow Motorists at Construction Sites
A National Highway Traffic Safety Administration study shows that 41 percent of fatal accidents at roadway work sites involve motorists. Most are caused by drivers who speed or don't pay attention to … [Read more...] about State’s Safety Efforts Put Trooper at Fatal Location: Program Attempts to Slow Motorists at Construction Sites