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Work Zone Safety Information Clearinghouse

Library of Resources to Improve Roadway Work Zone Safety for All Roadway Users

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Traffic Control

Investigation of Factors Affecting the Duration of Full-Lane-Closure Accidents on the Freeway

A full-lane-closure accident refers to a traffic accident in which one or both directions of a freeway are completely obstructed, thus resulting in severe traffic congestion. Traffic operators must … [Read more...] about Investigation of Factors Affecting the Duration of Full-Lane-Closure Accidents on the Freeway

From Chaos to Order: Evaluating Behavior-Driven Road Sign Strategies in Work Zone Management

Road construction significantly impacts traffic dynamics, often causing severe congestion, reduced speeds, and elevated accident risks due to lane closures and merging bottlenecks. This study employs … [Read more...] about From Chaos to Order: Evaluating Behavior-Driven Road Sign Strategies in Work Zone Management

Evaluating the Intensity of Green Warning Light for Snowplow Trucks Using CIELAB Color Space

Snowplow Trucks (SPTs) work under extremely challenging conditions, typically traveling at lower speeds compared with other vehicles. Because of reduced speeds and poor visibility, a major safety … [Read more...] about Evaluating the Intensity of Green Warning Light for Snowplow Trucks Using CIELAB Color Space

INDOT Worksite Speed Control Pilot Program Adding New Sites

The Indiana Department of Transportation (INDOT) is expanding its Safe Zones worksite speed control pilot program, which uses automated speed enforcement to improve safety in highway construction … [Read more...] about INDOT Worksite Speed Control Pilot Program Adding New Sites

Passive Sensing Communication to Vehicles in Construction Work Zones Through Signage Coded on Pavement Surface

Construction work zones (CWZ) present safety challenges because of speeding, distracted driving, and improper lane changes. The objective of this research was to enhance CWZ communication and safety … [Read more...] about Passive Sensing Communication to Vehicles in Construction Work Zones Through Signage Coded on Pavement Surface

A Safety Service Patrol Case Study in the Use of Vehicle-Mounted Message Boards to Promote Move-Over Behavior

Move over, slow down laws have been enacted in all 50 U.S. states, plus the District of Columbia and Puerto Rico, to make safety service patrol (SSP) personnel safer. Emergency vehicle lighting and … [Read more...] about A Safety Service Patrol Case Study in the Use of Vehicle-Mounted Message Boards to Promote Move-Over Behavior

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Copyright © 2025 American Road & Transportation Builders Association (ARTBA). The National Work Zone Safety Information Clearinghouse is a project of the ARTBA Transportation Development Foundation. It is operated in cooperation with the U.S. Federal Highway Administration and Texas A&M Transportation Institute. | Copyright Statement · Privacy Policy · Disclaimer
American Road and Transportation Builders Association Transportation Development Foundation, American Road and Transportation Builders Association U.S. Department of Transportation Federal Highway Administration Texas A&M Transportation Institute