Over the last two decades, an increasing number of highway construction and maintenance projects in the United States have been completed at night to avoid or alleviate traffic congestion delays. … [Read more...] about Workzone Lighting and Glare on Nighttime Construction and Maintenance Activities
Lighting Systems
Alternative Technologies for Mitigating the Risk of Injuries and Deaths in Work Zones: Conduct of Research
Work zone intrusion technologies are available that provide an opportunity to prevent and mitigate vehicle intrusions into roadway work zones. The TRB National Cooperative Highway Research … [Read more...] about Alternative Technologies for Mitigating the Risk of Injuries and Deaths in Work Zones: Conduct of Research
Effects of Wearable Light Systems on Safety of Highway Construction Workers
Recent statistics indicate that the number of injuries and fatalities on highway construction projects continues to rise. This increase is attributed primarily to unsafe driver behavior, such as … [Read more...] about Effects of Wearable Light Systems on Safety of Highway Construction Workers
Effects of Mounting Height, Offset Distance, and Number of Light Towers on Drivers’ Visual Performance and Discomfort Glare in Work Zones
Portable light towers are a significant source of glare to motorists entering a work zone. Although existing research has evaluated the effect of light tower orientation on visibility and glare, the … [Read more...] about Effects of Mounting Height, Offset Distance, and Number of Light Towers on Drivers’ Visual Performance and Discomfort Glare in Work Zones
Illumination and Visibility of Workers in Nighttime Highway Work Zones
Much of the construction work that occurs on high-speed roadways takes place at night to minimize impacts on drivers. Performing work at night exposes workers to hazards that are not present during … [Read more...] about Illumination and Visibility of Workers in Nighttime Highway Work Zones