Communication and Control

4-Hour Work Zone Flagger

The Work Zone Flagger training course is required for anyone who wants to work as a certified flagger in New York State. Flaggers are required in work zone traffic control areas to protect the … [Read more...] about 4-Hour Work Zone Flagger

Updated Work Zone Positive Protection Toolbox

This document provides an update to a prior Positive Protection Toolbox publication and describes the use of positive protection as a safety feature for roadway construction and maintenance projects, … [Read more...] about Updated Work Zone Positive Protection Toolbox

Colorado Transportation Officials Update COTrip App With Push Notifications, New Language Features

The Colorado Department of Transportation has enhanced its COTrip travel information platform by adding Spanish and Vietnamese language options and introducing push notification capabilities in the … [Read more...] about Colorado Transportation Officials Update COTrip App With Push Notifications, New Language Features

Can Waymo and Waze Fix Cities’ Potholes?

Waymo and Waze have launched a pilot program to help cities identify and repair potholes using data collected by Waymo's autonomous vehicles. The system detects pothole locations and road conditions, … [Read more...] about Can Waymo and Waze Fix Cities’ Potholes?

Multi-Objective Optimisation of a Variable Speed Limit Control Strategy in a Tunnel Maintenance Work Zone of the Mountain Highway

Variable Speed Limit (VSL) control is essential for managing highway tunnel maintenance work, as it adjusts speed limits based on road conditions to regulate traffic flow. Developing a VSL control … [Read more...] about Multi-Objective Optimisation of a Variable Speed Limit Control Strategy in a Tunnel Maintenance Work Zone of the Mountain Highway