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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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Parts of Roads

Louisiana Department of Transportation and Development Standard Plans

These documents comprise the Standard Plans for construction in the state of Louisiana. It includes drawings for box culverts, catch basins and manholes, cattle guard, concrete retaining wall, … [Read more...] about Louisiana Department of Transportation and Development Standard Plans

Drop-offs

Alabama DOT has a policy that limits drop-offs to 50 mm for normal operations on center lane and 75 mm at the pavement edge. … [Read more...] about Drop-offs

Drop-offs

In Maryland, it is acceptable not to use channelization for drop-offs less than two inches. However, warning signs for these drop-offs must be erected. … [Read more...] about Drop-offs

The Elimination or Mitigation of Hazards Associated With Pavement Edge Dropoffs During Roadway Resurfacing

Shoulders are used on U.S. highways as a safety feature. They are required to meet specifications for width and stability. However, roadways are often resurfaced and the shoulders are not brought up … [Read more...] about The Elimination or Mitigation of Hazards Associated With Pavement Edge Dropoffs During Roadway Resurfacing

Development of Guidelines for Alternative Treatment of Dropoffs and Investigation of the Need for Separate Pay Items

Pavement dropoffs are a common occurrence in highway construction. The treatment of the pavement dropoffs contributes directly to the overall project safety and the construction work efficiency. … [Read more...] about Development of Guidelines for Alternative Treatment of Dropoffs and Investigation of the Need for Separate Pay Items

Traffic Control Plans: Safely Handling Dropoffs

One of the most effective ways to reduce the hazards of edge dropoffs to road users and workers that can occur in construction and maintenance zones is the careful planning and implementation of a … [Read more...] about Traffic Control Plans: Safely Handling Dropoffs

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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
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