Researchers conducted a closed-course study to evaluate the impact of work zone lighting upon the ability of drivers to detect low contrast objects and workers wearing high-visibility vests. Three … [Read more...] about Impact of Work Zone Lighting on Driver’s Detection of Objects
Periods of the Day
Speed Characteristics and Safety Risk Level Evaluation for Nighttime Roadway Work Area
More and more roadway projects are conducted during nighttime to satisfy heavy travelling demands in the daytime. However, the Nighttime Roadway Work (NRW) produces several safety problems. As a … [Read more...] about Speed Characteristics and Safety Risk Level Evaluation for Nighttime Roadway Work Area
Work Zone Lighting and Visual Performance: Analysis and Demonstration
In part because of the potential for high levels of glare from work zone illumination, recommendations for light levels from work zone illumination systems are substantially higher than for levels … [Read more...] about Work Zone Lighting and Visual Performance: Analysis and Demonstration
Improving the Effectiveness of Nighttime Temporary Traffic Control Warning Devices, Volume 2: Evaluation of Nighttime Mobile Warning Lights
Vehicle-mounted warning lights for nighttime mobile highway operations provide critical protection to workers and the driving public. Alerting the traveling public of the approaching work activity and … [Read more...] about Improving the Effectiveness of Nighttime Temporary Traffic Control Warning Devices, Volume 2: Evaluation of Nighttime Mobile Warning Lights
Improving the Effectiveness of Nighttime Temporary Traffic Control Warning Devices, Volume 1: Evaluation of Lights on Nighttime Work Zone Channelization Devices
Currently, the Illinois Department of Transportation (IDOT) is one of the few state transportation agencies that require warning lights on nighttime work zone channelization devices, such as drums and … [Read more...] about Improving the Effectiveness of Nighttime Temporary Traffic Control Warning Devices, Volume 1: Evaluation of Lights on Nighttime Work Zone Channelization Devices
Studies to Assess the Impact of Nighttime Work Zone Lighting on Motorists
This report describes the methodology and results of analyses performed to assess the impact of work zone lighting on motorists. Field studies were conducted to provide insight into how drivers’ eyes … [Read more...] about Studies to Assess the Impact of Nighttime Work Zone Lighting on Motorists