W-Beam Guardrail Repair and Maintenance

This document was prepared under the Rural Transportation Assistance Program Project 70 by the Technology Transfer Center, Iowa State University, Ames, Iowa, and disseminated under the sponsorship of the U.S. Department of Transportation. It is a guide for the repair and maintenance of W-beam guardrail. The following sections are included: Guardrail Safety; Site Review; Estimating Parts And Materials For Rail On Wood Post; Estimating Parts And Materials For Rail On Steel Post; Equipment And Tools; Manpower; Repair Sequence Guidelines; Traffic Control; Records Of Repairs; and Maintenance Tips.