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
Measures of Effectiveness
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
Improved Business Driveway Channelizing Treatments in Work Zones
This paper documents the efforts and results of a human factors study of alternative business driveway channelizing treatments in work zones. The purpose of the research was to determine the … [Read more...] about Improved Business Driveway Channelizing Treatments in Work Zones
Improved Business Driveway Delineation in Urban Work Zones
This report documents the efforts and results of a two-year research project aimed at improving driveway delineation in work zones. The first year of the project included a closed-course study to … [Read more...] about Improved Business Driveway Delineation in Urban Work Zones
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
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