Truck-mounted attenuator (TMA) has been used as a countermeasure to help improve safety in mobile work zones. However, 139 TMA crashes occurred in Missouri from 2012 to 2017 with distracted driving … [Read more...] about Looking Deep into the Eyes: Green Light on TMAs Could be Another Option for DOTs
Warning Lights
Evaluation of Green Lights on TMAs
The use of green versus traditional amber lights on Truck Mounted Attenuators (TMAs) was investigated to see if their use could help to improve safety in mobile work zones. Four light color … [Read more...] about Evaluation of Green Lights on TMAs
Effectiveness of Stationary Police Vehicles with Blue Lights in Freeway Work Zones
Work zone safety affects both drivers and construction workers. Two main safety measures for reducing work zone crashes and their severity have been to reduce the vehicle speeds in work zones and to … [Read more...] about Effectiveness of Stationary Police Vehicles with Blue Lights in Freeway Work Zones
Investigation of Flashing and Intensity Characteristics for Vehicle-Mounted Warning Beacons
Reducing the potential for crashes involving front line service workers and passing vehicles is important for increasing worker safety in work zones and similar locations. Flashing yellow warning … [Read more...] about Investigation of Flashing and Intensity Characteristics for Vehicle-Mounted Warning Beacons
Determination of Optimal Intensities and Periods for Vehicle-Mounted Warning Lights Using Field Experiments
Increasing the safety of work zones and other locations where frontline service workers are present is important to reduce the potential for crashes involving passing vehicles and the workers. … [Read more...] about Determination of Optimal Intensities and Periods for Vehicle-Mounted Warning Lights Using Field Experiments
Impacts of Fog Characteristics, Forward Illumination, and Warning Beacon Intensity Distribution on Roadway Hazard Visibility
Warning beacons are critical for the safety of transportation, construction, and utility workers. These devices need to produce sufficient luminous intensity to be visible without creating glare to … [Read more...] about Impacts of Fog Characteristics, Forward Illumination, and Warning Beacon Intensity Distribution on Roadway Hazard Visibility