This user guideline manual presents the results of research conducted for the Federal Highway Administration (FHWA) and the US Environmental Protection Agency (US EPA) on the use of byproduct materials in highway construction. This document will be of interest to highway engineers and materials engineers, as well as waste and byproduct producers and others involved in decision-making regarding the use of byproduct materials in highways.

This document is disseminated under the sponsorship of the Department of Transportation and US EPA in the interest of information exchange. The United States Government assumes no liability for its contents or use thereof. This report does not constitute a standard, specification, or regulation.

The United States Government does not endorse products or manufacturers. Trade and manufacturers’ names appear in this report only because they are considered essential to the object of the document.