This study investigated drivers' visual perception of information displayed in LED traffic signs under different levels of environmental luminance. Concerning the information displayed, the … [Read more...] about Assessment of Drivers’ Visual Perception of Information Displayed in LED Traffic Signs at Road Construction Sites
Glare
Effect of Work Zone Lighting on Drivers’ Visual Performance and Perceptions of Glare
Nighttime crashes at work zones are major concerns for construction workers and motorists. Although in a majority of the U.S. states, department of transportation specifications for work zone lighting … [Read more...] about Effect of Work Zone Lighting on Drivers’ Visual Performance and Perceptions of Glare
Toward Modeling the Effect of Vertical Illuminance on Perceived Glare in Work Zones
In the United States, in most of the states, glare from the portable light towers in the work zones is evaluated subjectively. Subjective evaluation of glare usually has the inherent bias of the … [Read more...] about Toward Modeling the Effect of Vertical Illuminance on Perceived Glare in Work Zones
Optimizing Work Zone Lighting
Work zones are inherently complex and confusing visual environments, where the usual patterns of traffic flow are perturbed, and where lights used by workers for task visibility can create glare not … [Read more...] about Optimizing Work Zone Lighting
Construction Flagger Struck and Killed in Two-Lane Highway Work Zone
On a clear, cold, Monday, January 20, 2014, a 36-year-old married flagger entered a two-lane highway with his back toward oncoming traffic and was struck by a 2010 red Toyota Corolla, driven by a 53 … [Read more...] about Construction Flagger Struck and Killed in Two-Lane Highway Work Zone
Nighttime Highway Construction Illumination
The nighttime driving environment, consisting of roadway illumination, signs, vehicle lighting and markers, delineators and flashing lights, can be complex or even confusing for both pedestrians and … [Read more...] about Nighttime Highway Construction Illumination