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

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Signing

Placement of G20-1 signs

Washington state uses the G20-1 sign infrequently. When used, it is placed in advance of the W20-1. … [Read more...] about Placement of G20-1 signs

Placement of G20-1 signs

Texas DOT uses Barricade and Construction Standard Sheets, BC(1)-98 to BC(9C) -98, to show placement of warning and construction signs typically needed at the entrance to project limits. The G20-1 … [Read more...] about Placement of G20-1 signs

Placement of G20-1 signs

The Virginia DOT places the G20-1 sign (Road Work Next XX Miles) in advance of the W20-1 sign (in Virginia, modified to read "Road Work Ahead") for projects in excess of 2 miles in length. … [Read more...] about Placement of G20-1 signs

Placement of G20-1 signs

The G20-1 sign, when used, is the first sign and is placed in advance of the construction project limits. It may be placed as far as a mile away or more depending upon the amount of construction … [Read more...] about Placement of G20-1 signs

Placement of G20-1 signs

In Delaware, a G20-1 sign indicating length of construction is placed at the limits of any road project extending more than 2 miles. It can be used for lesser distances, especially on urban streets. … [Read more...] about Placement of G20-1 signs

Placement of G20-1 signs

Wording in the Ohio MUTCD was revised from "shall" to "should" in erecting G20-1 signs at the limits of any major construction project. Therefore, in Ohio you will see this sign at times placed in … [Read more...] about Placement of G20-1 signs

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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
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