The lighting industry has changed dramatically over the past decade. The optical system design of legacy high-intensity discharge (HID) luminaires was restricted to the lamp, refractor, and reflector … [Read more...] about Solid-State Roadway Lighting Design Guide: Volume 1: Guidance
Lighting
SCDOT Leader Reveals Worker Safety Upgrades After 2 Killed Along Highway 501
During a Senate Transportation Committee meeting, State Sen. Luke Rankin asked South Carolina Department of Transportation (SCDOT) Secretary Christy Hall about the safety of workers after two were hit … [Read more...] about SCDOT Leader Reveals Worker Safety Upgrades After 2 Killed Along Highway 501
Case Studies on Innovations in Temporary Traffic Control (TTC)
Case Studies on Innovations in Temporary Traffic Control (TTC) includes examples that outline some of the innovative techniques implemented by departments of transportation to meet work zone safety … [Read more...] about Case Studies on Innovations in Temporary Traffic Control (TTC)
ATSSA Explores Innovations in Temporary Traffic Control
Several factors contribute to crashes in work zones, including traffic queues, speed, speed variability, worker exposure, and driver behavior. The American Traffic Safety Services Association (ATSSA) … [Read more...] about ATSSA Explores Innovations in Temporary Traffic Control
Lighting Equipment
Work Zone Lighting’s Effect on Driver Visibility
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