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
Measures of Effectiveness
Use of Chevron Patterns on Traffic Control Devices in Work Zones (Abridgement)
The objectives of the research were to select the most effective design for the chevron pattern and to evaluate the effectiveness of selected chevron designs under road conditions as compared with … [Read more...] about Use of Chevron Patterns on Traffic Control Devices in Work Zones (Abridgement)
Alternative Sign Sequences for Work Zones on Rural Highways
Two experiments were done on a two-lane rural road (US-2) in central Maine to evaluate the effectiveness of alternate signing sequences for providing warning to motorists of construction and … [Read more...] about Alternative Sign Sequences for Work Zones on Rural Highways
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
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
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