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
Warning Lights
Impact on Driver Behavior of Steady-Burn Warning Lights on Channelizing Drums in Work Zones
Research was performed to explore the impact on driver behavior of steady-burn warning lights on drums used in highway work zones in the state of Michigan. Various characteristics related to nighttime … [Read more...] about Impact on Driver Behavior of Steady-Burn Warning Lights on Channelizing Drums in 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
Ariz. Department of Transportation Tests Solar-Powered Lights for Highway Maintenance Vehicles
Currently roadside workers have to keep their vehicles running to have the emergency lights on to alert drivers to their presence, which wastes fuel and emits pollution. The Arizona Department of … [Read more...] about Ariz. Department of Transportation Tests Solar-Powered Lights for Highway Maintenance Vehicles
Barricade Lighting System
Presently in work zones, standard barricade warning lights are used to provide channelizing and warning functions. These yellow flashing lights are presently used without consideration of the specific … [Read more...] about Barricade Lighting System
Evaluation of Performance of Solar Powered Flashing Beacons at Severe Temperature Conditions
This report contains the results of 34 tests for JSF and 26 tests for Carmanah solar-powered flashing beacons operating in mild cold temperature (-6.6 ºC), severe cold temperature (-20 ºC), and hot … [Read more...] about Evaluation of Performance of Solar Powered Flashing Beacons at Severe Temperature Conditions