The August 2025 update to Temporary Traffic Control for Short-Duration, Short-Term Stationary, and Mobile Operations provides comprehensive guidance for safely managing work zones that impact traffic … [Read more...] about Temporary Traffic Control for Short-Duration, Short-Term Stationary, and Mobile Operations
Periods of the Day
Evaluating Traffic Conflicts and Crash Risk in Nighttime Maintenance Operation Areas of Highways Using Vehicles’ Trajectory Data
Highway pavement maintenance operations are increasingly conducted at night, when lane reduction combined with the complexity of nighttime conditions elevates driving risks within maintenance … [Read more...] about Evaluating Traffic Conflicts and Crash Risk in Nighttime Maintenance Operation Areas of Highways Using Vehicles’ Trajectory Data
Changes in Roadwork Policy Will Affect Drivers but WSDOT Says Workers Have to Be Kept Safe
In response to an alarming increase in roadwork zone fatalities, the Washington State Department of Transportation (WSDOT) has prioritized worker safety over driver convenience. Despite a reduction in … [Read more...] about Changes in Roadwork Policy Will Affect Drivers but WSDOT Says Workers Have to Be Kept Safe
Development of Guidelines for Vehicle and Equipment Marking and Lighting
Roadway operations equipment used by state departments of transportation (DOTs) and transportation agencies for activities such as construction, maintenance, and incident response generally deploys on … [Read more...] about Development of Guidelines for Vehicle and Equipment Marking and Lighting
Effectiveness of Lighted Work Zone Apparel: Effects on Visibility
The goal of this study is to evaluate effectiveness of lighted work zone apparel under realistic conditions. More specifically, the goal is to compare the effectiveness of various kinds of lighted … [Read more...] about Effectiveness of Lighted Work Zone Apparel: Effects on Visibility
Workzone Lighting and Glare on Nighttime Construction and Maintenance Activities
Over the last two decades, an increasing number of highway construction and maintenance projects in the United States have been completed at night to avoid or alleviate traffic congestion delays. … [Read more...] about Workzone Lighting and Glare on Nighttime Construction and Maintenance Activities