Federal Highway Administration issued a final rule aimed at improving safety for all road users by ensuring pavement markings are more visible in dark or low light conditions. Under the final rule, … [Read more...] about FHWA Issues Final Retro-Reflectivity Pavement Rule
Safety Factors
Countermeasures to Reduce Truck-Mounted Attenuator (TMA) Crashes: A State-of-the-Art Review
To support worker and driver safety, this study conducted a comprehensive literature review to identify methods of enhancing TMA visibility, improving work zone configurations, and ensuring worker … [Read more...] about Countermeasures to Reduce Truck-Mounted Attenuator (TMA) Crashes: A State-of-the-Art Review
Effects of Wearable Light Systems on Safety of Highway Construction Workers
Recent statistics indicate that the number of injuries and fatalities on highway construction projects continues to rise. This increase is attributed primarily to unsafe driver behavior, such as … [Read more...] about Effects of Wearable Light Systems on Safety of Highway Construction Workers
Flagger Class 17 Visibility and 500 Feet
This is part of a video series produced by Tennessee Department of Transportation teaching proper flagging techniques. It explains the importance of keeping vest and equipment visible from 500 feet … [Read more...] about Flagger Class 17 Visibility and 500 Feet
Optimizing Speed Limits Upstream of Freeway Reconstruction and Expansion Work Zones Based on Driver Characteristics
Traffic incidents occurring in freeway work zones mainly include rear-end accidents and roadside accidents, as well as collisions between vehicles and traffic facilities and construction personnel. … [Read more...] about Optimizing Speed Limits Upstream of Freeway Reconstruction and Expansion Work Zones Based on Driver Characteristics
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