Puerto Rico has used different techniques. a) In urban areas traffic signals have been reprogrammed using historic and actual data on the area of the project. b) In some cases reversible lanes are … [Read more...] about Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones
Traffic Signals
Teenage Drivers’ Understanding of Traffic Control Devices
Teenage drivers are involved in traffic crashes more often than any other driver group, and their fundamental knowledge of traffic control devices and rules of the road is extremely important in safe … [Read more...] about Teenage Drivers’ Understanding of Traffic Control Devices
Structural Supports for Highway Signs, Luminaires, and Traffic Signals
NCHRP Project 17-10 was conducted for the main purpose of revamping the 1994 edition of the AASHTO Standard Specifications for Structural Supports for Highway Signs, Luminaires and Traffic Signals … [Read more...] about Structural Supports for Highway Signs, Luminaires, and Traffic Signals
Maintenance Work Zone Safety Devices Development and Evaluation
This report presents the findings of tests and evaluations of several new work zone safety devices. The prototypes of the 25 devices were designed, developed, fabricated, tested, evaluated, and … [Read more...] about Maintenance Work Zone Safety Devices Development and Evaluation
Use of automated flaggers in work zones
Ohio DOT has used automated flaggers in rural maintenance zones and found them to be very effective in controlling traffic. The specific type of automated flagger is not approved by FHWA and is not in … [Read more...] about Use of automated flaggers in work zones
Use of drone radar and automated flaggers in work zones
Illinois DOT has used drone radar in both urban and rural work zones, and it was perceived to be somewhat effective. One problem was that drivers soon realized that no police were present and they … [Read more...] about Use of drone radar and automated flaggers in work zones