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
Visibility
Construction Advisory: Worker Visibility
In 2006, the Federal Highway Administration (FHWA) issued 23 CFR, Part 634, Worker Visibility Final Rule, which required that, “All workers within the right-of-way of a Federal-aid highway who are … [Read more...] about Construction Advisory: Worker Visibility
Safety Evaluation of Sequential Warning Lights in Tapers at Nighttime Work Zones
Safety improvement at nighttime work zones is important because of visibility concerns after dark. The deployment of sequential lights is an innovative method to improve driver recognition of lane … [Read more...] about Safety Evaluation of Sequential Warning Lights in Tapers at Nighttime Work Zones
Cost-Benefit Analysis of Sequential Warning Lights in Nighttime Work Zone Tapers
Improving safety at nighttime work zones is important because of the extra visibility concerns. The deployment of sequential lights is an innovative method for improving driver recognition of lane … [Read more...] about Cost-Benefit Analysis of Sequential Warning Lights in Nighttime Work Zone Tapers
Research Initiatives to Improve the Visibility and Hence Safety of Road Workers at Night-Time
Collisions between vehicles and pedestrians represent a significant road safety problem and are overrepresented at night-time, with pedestrians being up to seven times more likely to be involved in a … [Read more...] about Research Initiatives to Improve the Visibility and Hence Safety of Road Workers at Night-Time
Using Biological Motion to Enhance the Conspicuity of Roadway Workers
This study examined whether the conspicuity of road workers at night can be enhanced by distributing retroreflective strips across the body to present a pattern of biological motion (biomotion). … [Read more...] about Using Biological Motion to Enhance the Conspicuity of Roadway Workers