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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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Utah Department of Transportation

Use of Variable Speed Limits in Construction Zones: Concept of Operations

The Utah Department of Transportation is looking to implement smart work zone technology to manage the prudent reduction of speeds within work zones while minimizing the effects of the work zone on … [Read more...] about Use of Variable Speed Limits in Construction Zones: Concept of Operations

Evaluation of the Effectiveness of a Variable Advisory Speed System on Queue Mitigation in Work Zones

Variable Advisory Speed Systems (VASS) provide drivers with advanced warning regarding traffic speeds downstream to help them make better decisions. Vehicle use on highways is increasing and the need … [Read more...] about Evaluation of the Effectiveness of a Variable Advisory Speed System on Queue Mitigation in Work Zones

Flagger Training Handbook

This handbook outlines the flagging procedures to be followed and identifies responsibilities to achieve the desired end result - safer work zones with minimal impact on the traveling public. … [Read more...] about Flagger Training Handbook

Variable Speed Limit Sign: Effects on Speed and Speed Variation in Work Zones

Variable Speed Limit (VSL) signs are used across the country in conjunction with Intelligent Transportation Systems to lower posted speed limits in areas affected by conditions such as congestion, … [Read more...] about Variable Speed Limit Sign: Effects on Speed and Speed Variation in Work Zones

Spatial and Temporal Analyses of Work Zone Crashes and Investigation of Relationships Between Work Zone Traffic Control Measures and Crash Characteristics

The deterioration of highway infrastructure requires reconstruction, rehabilitation, resurfacing, widening, etc to better serve the users. In order to efficiently and safely manage the traffic for all … [Read more...] about Spatial and Temporal Analyses of Work Zone Crashes and Investigation of Relationships Between Work Zone Traffic Control Measures and Crash Characteristics

Colors of Flagger Safety Vests and Hard Hats

The objective of the study is to determine appropriate recommendations for the UDOT Standards Committee regarding flagger safety vest and hard hat colors. The color of and area occupied by vest … [Read more...] about Colors of Flagger Safety Vests and Hard Hats

Copyright © 2023 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