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
Traffic Signals
Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones
In Texas, portable trailer-mounted closed circuit television (CCTV), portable changeable message signs (CMS), portable highway advisory radio (HAR), and portable traffic signals are used to reduce … [Read more...] about Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones
Feasibility of Portable Traffic Signals to Replace Flaggers in Maintenance Operations
The purpose of the research project was to explore the use of portable traffic signal technology as a means for improving the efficiency of two-lane rural maintenance operations. The research findings … [Read more...] about Feasibility of Portable Traffic Signals to Replace Flaggers in Maintenance Operations
An Evaluation of Portable Traffic Signals at Work Zones
Portable traffic signal systems are now being marketed by several manufacturers. These systems have the potential for replacing flaggers in many work zones that require alternating one-way traffic … [Read more...] about An Evaluation of Portable Traffic Signals at Work Zones
Use of drone radar, safety intrusion alarms, CB Wizard, and automated flaggers in work zones
TxDOT has used drone radar in both rural and urban work zones, mostly in mobile operations. It was perceived to be somewhat effective as a speed control measure. Problem: It targets only road users … [Read more...] about Use of drone radar, safety intrusion alarms, CB Wizard, and automated flaggers in work zones
Use of drone radar and automated flaggers in work zones
Wisconsin has used drone radar primarily in rural work zones (stationary construction zones/maintenance zones/mobile operations), and it was perceived to be somewhat effective as a speed control … [Read more...] about Use of drone radar and automated flaggers in work zones