Publication Details
Long-Term Pavement Performance Information Management System User Guide 
Primary Topic: Pavement Management
Description: This report describes the structure of the LTPP program, the relational structure of the LTPP PPDB, the location of various data elements, contents of data tables, tips on efficient means of manipulating data for specific types of investigations, and information on how to obtain data. This is the final updated version of this report. The LTPP InfoPave website is now the official public data dissemination mechanism for LTPP data. Over the years of updates to this report, contributing authors included Travis Thompson, Amy Simpson, Beth Visintine, and Peter Schmalzer.
FHWA Publication Number: FHWA-HRT-21-038
Publication Year: 2021
Document Links: HTML PDF (file size: 2.51 MB)