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Federal Highway Administration Research and Technology
Coordinating, Developing, and Delivering Highway Transportation Innovations

This report is an archived publication and may contain dated technical, contact, and link information
Publication Number: FHWA-RD-97-148

User Guidelines for Waste and Byproduct Materials in Pavement Construction

Recycled Materials in the Highway Environment


At the FHWA, our goal is to encourage appropriate widespread use of secondary materials (i.e., waste and byproduct materials) and associated technologies in the construction and rehabilitation of highway infrastructure.

This will be done by:

  • Disseminating information and practical knowledge on current technically-sound uses and technologies.
  • Raising awareness on innovative technologies that are currently being successfully used but are not well known.
  • Disseminating detailed information on the engineering, environmental, and economic benefits of recycling.
  • Identifying available resources and support services that can provide technical assistance and help promote the adoption of secondary materials technology.
  • Encouraging continued investigation of promising new secondary materials and technologies, including research and field trials.


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United States Department of Transportation - Federal Highway Administration