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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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Temporary Concrete Barriers

Testing and Evaluation of MASH TL-3 Transition Between Guardrail and Portable Concrete Barriers

Three full-scale vehicle crash tests were conducted according to the Manual for Assessing Safety Hardware (MASH) Test Level 3 (TL- 3) safety performance criteria on a transition between the Midwest … [Read more...] about Testing and Evaluation of MASH TL-3 Transition Between Guardrail and Portable Concrete Barriers

Length of Need and Minimum System Length for F-Shape Portable Concrete Barrier

Portable concrete barrier (PCB) systems are often used to redirect errant vehicles through a combination of inertial resistance, lateral friction loads, and tensile loads developed from the mass and … [Read more...] about Length of Need and Minimum System Length for F-Shape Portable Concrete Barrier

Development of a MASH TL-3 Transition Between Guardrail and Portable Concrete Barriers

Often, road construction causes the need to create a work zone. In these scenarios, portable concrete barriers (PCBs) are typically installed to shield workers and equipment from errant vehicles as … [Read more...] about Development of a MASH TL-3 Transition Between Guardrail and Portable Concrete Barriers

Guidelines on the Use of Low-Profile Portable Concrete Barrier in Low to Moderate Speed Work Zones

This guideline highlights use of a low-profile concrete barrier (LPB) in low to moderate speed work zones.   The low profile barrier enhances line of sight for drivers, especially where work zones and … [Read more...] about Guidelines on the Use of Low-Profile Portable Concrete Barrier in Low to Moderate Speed Work Zones

Guidelines on the Use of Low-Profile Portable Concrete Barrier in Low to Moderate Speed Work Zones

September 2015 Introduction Transportation agencies consider or specify the use of positive protection devices on a variety of project types. Some of the most common needs for protection … [Read more...] about Guidelines on the Use of Low-Profile Portable Concrete Barrier in Low to Moderate Speed Work Zones

Work Zone Positive Protection Guidelines for Idaho

The Code of Federal Regulation (CFR) Title 23 Part 630 Subpart K - Temporary Traffic Control (630.1102–630.1110) rule states that positive protection shall be considered where work zone conditions … [Read more...] about Work Zone Positive Protection Guidelines for Idaho

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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