TRB’s National Cooperative Highway Research Program (NCHRP) Report 640: Construction and Maintenance Practices for Permeable Friction Courses explores recommended practices for the design and construction of permeable friction courses (PFC) and examines PFC maintenance and rehabilitation.  NCHRP Web-Only Document 138: Annotated Literature Review for NCHRP Report 640 includes summaries of various items that were found in the literature review associated with the production of NCHRP Report 640.
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