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TechBrief: Quantification of Smoothness Index Differences Related to LTPP Equipment Type

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: Surface and Other Considerations

Description: The Long Term Pavement Performance (LTPP) program is a 20-year study of in-service pavements across North America. Its goal is to extend the life of highway pavements through various designs of new and rehabilitated pavement structures, using different materials and under different loads, environments, subgrade soil, and maintenance practices. LTPP was established under the Strategic Highway Research Program and is now managed by the Federal Highway Administration.

FHWA Publication Number: FHWA-HRT-06-064

Publication Year: 2006

Document Links: HTML  PDF (file size: 1 mb)

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Updated: 07/26/2011
 

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United States Department of Transportation - Federal Highway Administration