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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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Median Barriers

MGS Terminals (Midwest Guardrail System with 31″ Rail Height)

The rail uses 150 mm x 200 mm routed steel blockouts and a minimum rail thickness (before galvanizing) of 1.90 mm. … [Read more...] about MGS Terminals (Midwest Guardrail System with 31″ Rail Height)

Design criteria for narrow-base, single-face barrier used on bridge decks in work zone staging applications

The only narrow single-face barrier for work zones is the Iowa Stacked H-pile Barrier. This barrier is 14" wide and 28" tall. Basically the barrier is two H-piles stacked on top of each other with … [Read more...] about Design criteria for narrow-base, single-face barrier used on bridge decks in work zone staging applications

Maintenance guidelines for cable barrier systems

Information provided below is from an email survey conducted in 2006 __________________ Maryland is piloting the use of high-tension cable systems. There are several locations where different … [Read more...] about Maintenance guidelines for cable barrier systems

Maintenance guidelines for cable barrier systems

Information provided below is from an email survey conducted in 2006 __________________ Indiana has two evaluation sections of the Brifen TL 4 system. The state is developing guidelines for … [Read more...] about Maintenance guidelines for cable barrier systems

Maintenance guidelines for cable barrier systems

Information provided below is from an email survey conducted in 2008 __________________ Texa DOT uses only proprietary high-tension cable median barrier. TxDOT follows manufacturer guidelines … [Read more...] about Maintenance guidelines for cable barrier systems

Maintenance guidelines for cable barrier systems

Information provided below is from an email survey conducted in 2006 __________________ Arizona maintains its cable barrier systems through an outside contract. At this point, the cost is … [Read more...] about Maintenance guidelines for cable barrier systems

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Copyright © 2026 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
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