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
Visibility
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
MDOT to Pay More for Brighter Orange Barrels
Despite concerns among suppliers of orange construction barrels, the Michigan Department of Transportation has decided to join about 20 other states in switching to the new and more costly reflective … [Read more...] about MDOT to Pay More for Brighter Orange Barrels
Analysing the Influence of Visible Roadwork Activity on Drivers’ Speed Choice at Work Zones Using a Video-Based Experiment
The present study used a video-based experimental design to investigate the influence of visible roadwork activity on speed preferences at work zones. Four videos from real work zones in Norway were … [Read more...] about Analysing the Influence of Visible Roadwork Activity on Drivers’ Speed Choice at Work Zones Using a Video-Based Experiment
Improved Business Driveway Delineation in Urban Work Zones
This report documents the efforts and results of a two-year research project aimed at improving driveway delineation in work zones. The first year of the project included a closed-course study to … [Read more...] about Improved Business Driveway Delineation in Urban Work Zones
Photometric Evaluation of Steady-Burn Warning Lights in Work Zones
This report documents the efforts and results of several photometric evaluations performed by researchers at the Texas A&M Transportation Institute to assess the performance of steady-burn warning … [Read more...] about Photometric Evaluation of Steady-Burn Warning Lights in Work Zones