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Federal Highway Administration > Publications > Focus > January/February 2012 > LTPP Program Releases New Data

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Publication Number: FHWA-HRT-12-010
Date: January/February 2012

LTPP Program Releases New Data

The world’s largest and most comprehensive pavement performance database is at your fingertips with the debut of Standard Data Release (SDR) 26 from the Federal Highway Administration’s (FHWA) Long–Term Pavement Performance (LTPP) program. Available at no charge on DVD, the SDR is in Microsoft Access® format.

The release contains the complete LTPP pavement performance database. An accompanying Reference Library DVD provides information on software utilities, resource documents, and research reports that support the database.

Since the LTPP program began in 1987, data have been collected on the performance of nearly 2,500 in–service pavement test sections throughout the United States and Canada. Translated into an array of products and tools for pavement engineers, LTPP data have also played an important role in validating and calibrating the Mechanistic–Empirical Pavement Design Guide.

To obtain a copy of SDR 26, contact LTPP Customer Support Services at 202–493–3035 (email: ltppinfo@dot.gov). For more information about LTPP products or to access the LTPP database online, visit www.ltpp–products.com.

A graphic image showing three DVDs from the FHWA Long–Term Pavement Performance (LTPP) program’s Standard Data Release 26. The release contains the complete LTPP pavement performance database.

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Updated: 06/20/2012

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