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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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Indiana

Work zone speed limit

In Indiana: Speed are reduced based on the volume of traffic, existing posted speed, and type of project (e.g., lane closures or restrictions). Normally speed reductions affect only interstate … [Read more...] about Work zone speed limit

Time frame allowed for lane closure setup (e.g., 9:00am to 3:30pm)

In Indiana (INDOT), if the language states in the contract that a contractor cannot close a lane till 9am then the interpretation is that all devices can be ready (along the shoulder) to close the … [Read more...] about Time frame allowed for lane closure setup (e.g., 9:00am to 3:30pm)

Lane lines in work zones

For standard applications, Indiana DOT's typical lane line width is 4 inches. InDOT will implement lane lines wider than the typical width in some cases. InDOT uses 5" lane lines on all interstate … [Read more...] about Lane lines in work zones

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

Removing temporary traffic control devices with the flow of traffic vs. backing the work vehicle behind to remove the devices

Indiana does not use mobile removal of temporary traffic control devices. It has always been done using a stakebed truck, or something towing a trailer, either backing up or driving against traffic … [Read more...] about Removing temporary traffic control devices with the flow of traffic vs. backing the work vehicle behind to remove the devices

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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
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