Warning Signs
Warning lights on channelizing devices
See Section 9.76 Barricade Warning Lights of State of Connecticut Department of Transportation Standard Specifications for Roads, Bridges, Facilities and Incidental Construction Form 819 for guidance … [Read more...] about Warning lights on channelizing devices
Assessment of Advanced Warning Signs for Flagging Operations
The Virginia Department of Transportation (VDOT) and several other state departments of transportation have expressed interest in modifying the advanced warning sign for work zone flagging operations. … [Read more...] about Assessment of Advanced Warning Signs for Flagging Operations
Driver Performance Comparison of Fluorescent Orange to Standard Orange Work Zone Traffic Signs
Some agencies use durable fluorescent orange sign sheeting on warning signs in work zones. The literature shows that such sheeting is more conspicuous than standard nonfluorescent orange sheeting, but … [Read more...] about Driver Performance Comparison of Fluorescent Orange to Standard Orange Work Zone Traffic Signs
A Study of the Visibility and Effectiveness of Fluorescent Retroreflective Traffic Control Signing in Work Zone Applications
Road works present a special challenge to both the driver and the traffic engineer. Work zone accident statistics attest to the need for safety improvements. One way traffic engineers have attempted … [Read more...] about A Study of the Visibility and Effectiveness of Fluorescent Retroreflective Traffic Control Signing in Work Zone Applications
Redesign and Evaluation of Selected Work Zone Sign Symbols
A study of traffic sign symbols was completed recently at the FHWA Turner-Fairbank Highway Research Center in McLean, Virginia. As part of this research, four work zone traffic control warning signs ( … [Read more...] about Redesign and Evaluation of Selected Work Zone Sign Symbols