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 Work Zone Lighting’s Effect on Driver Visibility
Working at Night
Guidelines for Work Zone Designers – Illumination for Night Construction
Most State and many other transportation departments in the U.S. maintain roadway and/or work zone design manuals containing State specific regulations, policies, and design guidance for their … [Read more...] about Guidelines for Work Zone Designers – Illumination for Night Construction
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
Use of Additional Lighting for Traffic Control and Speed Reduction in Work Zones
Performing roadway construction work at night exposes workers to hazards that are not present or as great during the daytime. Working at night requires illuminating the area where work is taking place … [Read more...] about Use of Additional Lighting for Traffic Control and Speed Reduction in Work Zones
Characterizing the Impact of Nighttime Construction on Traffic-Related Emissions
Nighttime road maintenance and construction work is most commonly initiated where it is impractical or highly undesired to close traffic lanes on certain high-volume roadways during normal daylight … [Read more...] about Characterizing the Impact of Nighttime Construction on Traffic-Related Emissions
Impact of Temporary Portable Work Zone and Personal Lighting on Vehicle Speeds in Nighttime Highway Preservation Projects
Every year thousands of people are killed or injured in work zone crashes in the US due to excessive speed, distraction, inattentiveness, or low visibility. Many highway construction, maintenance, and … [Read more...] about Impact of Temporary Portable Work Zone and Personal Lighting on Vehicle Speeds in Nighttime Highway Preservation Projects