Robo flaggers are portable flagging devices with a crossing arm that drops down to block traffic when the lane is closed. When you encounter a robo flagger in a work zone, the same rules apply as when … [Read more...] about Robo Flagger Rules of the Road
Portable Traffic Signals
Toolbox of Low-Cost Work Zone Management Strategies
This webinar is geared towards engineers, technicians, and practitioners working for local and state DOTs who are interested in learning more about available low cost work zone strategies and their … [Read more...] about Toolbox of Low-Cost Work Zone Management Strategies
Safe Way to Go
As a critical part of highway construction and maintenance activities, flagging operations could benefit from the use of automated flagger-assistance devices (AFADs) to improve the safety of flagging … [Read more...] about Safe Way to Go
Field Evaluation of Pilot Vehicles and Portable Traffic Control Signals With and Without a Flagger
The national Manual on Uniform Traffic Control Devices (MUTCD) does not prohibit the use of a pilot vehicle in conjunction with portable traffic control signals (PTCSs), but it does require that a … [Read more...] about Field Evaluation of Pilot Vehicles and Portable Traffic Control Signals With and Without a Flagger
Portable Traffic Signals in Conjunction with Pilot Car Operations at Two-Lane, Two-Way Rural Highway Work Zones
A portable traffic signal (PTS) system is designed to move traffic through two-way rural highway work zones with one lane open to traffic. The primary objective of this study was to evaluate the use … [Read more...] about Portable Traffic Signals in Conjunction with Pilot Car Operations at Two-Lane, Two-Way Rural Highway Work Zones
Evaluation of Temporary Traffic Signals in Conjunction with Pilot Car Operations at Two-Way Long Temporary Work Zones
The primary objective of this study was to evaluate the use of Portable Traffic Signal (PTS) systems at long, rural two-lane work zones and to compare three different conditions for controlling … [Read more...] about Evaluation of Temporary Traffic Signals in Conjunction with Pilot Car Operations at Two-Way Long Temporary Work Zones