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Publication Details

Maintenance of Pavement Underdrain System General Interest: provides practical guidance to engineers responsible for the day-to-day design, construction, rehabilitation, maintenance, and management of pavements. Research/Reference: useful for researchers doing further work in the pavement area as well as those developing improved testing and design procedures. Includes documents of historical value.

Primary Topic: Pavement Drainage

Description: This report documents several examples of ways that underdrain outlets may become blocked, causing excess water to concentrate in the pavement, based on a review of approximately 100 lane miles of and Interstate and Parkway Route. The review was initiated due to the observation of asphalt stripping from the pavement surface.

FHWA Publication Number: FHWA-HNG-42/2-95(200)

Publication Year: 1995

Document Links: PDF (file size: 2 mb)



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Updated: 08/19/2015
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000