Work zone lane closures require drivers to determine when and where to merge from a lane that is about to close to an adjacent open lane. The “zipper merge” strategy encourages drivers to stay in … [Read more...] about Driver Merging and Lane Utilization Behavior Under Zipper Merge Lane Control
Traffic Control Devices
Exploration of Color Patterns for Improving Work Zone Safety and Perception
Work zone safety remains a persistent concern in the United States. Color patterns are an effective way to provide visual information for drivers. Existing studies explored the colors of work zone … [Read more...] about Exploration of Color Patterns for Improving Work Zone Safety and Perception
In-Service Evaluation of Temporary Sign Support Systems Against Wind Load
This short study analyzes the performance of multiple temporary sign support systems under windy conditions and provides recommendations to the Bureau of Safety Programs and Engineering of the … [Read more...] about In-Service Evaluation of Temporary Sign Support Systems Against Wind Load
Advancing Nighttime Work Zone Safety
This fact sheet presents the Federal Highway Administration’s Advancing Nighttime Work Zone Safety initiative, which promotes safer and more efficient nighttime construction, maintenance, and utility … [Read more...] about Advancing Nighttime Work Zone Safety
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