Publication Information
This document provides information to aid in understanding and using the Long-Term Pavement Performance (LTPP) program pavement performance database. This document provides an introduction to the structure of the LTPP program, the relational structure of the LTPP database, a description of the location of various data elements, contents of the data tables, tips on efficient means of manipulating data for specific types of investigations, and examples of Structured Query Language (SQL) scripts that can be used to build user-defined custom extractions.