USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation
Turner-Fairbank logo
OFFICE OF RESEARCH, DEVELOPMENT, AND TECHNOLOGY AT THE TURNER-FAIRBANK HIGHWAY RESEARCH CENTER

Distress Identification Manual for the Long-Term Pavement Performance Program (Fifth Revised Edition)

Document
distress-identification-manual-13092.pdf (7.86 MB)

Manual developed to provide a consistent, uniform basis for collecting distress data on the LTPP program. The manual provides a common language for describing cracks, potholes, rutting spalling, and other pavement distresses.
 

Last updated: Monday, December 2, 2019