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Publication Number: FHWA-RD-06-067
Date: March 2006

Guidelines for The Collectionof Long-Term Pavement Performance Data

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FOREWORD

The Long-Term Pavement Performance (LTPP) program is ongoing and active. To obtain current information and access to other technical references, LTPP data users should visit the LTPP Web site at http://www.fhwa.dot.gov/pavement/ltpp/. LTPP data requests, technical questions, and data user feedback can be submitted to LTPP customer service via e-mail at ltppinfo@fhwa.dot.gov.

Gary L. Henderson
Director, Office of Infrastructure
Research and Development

Notice

This document is distributed under the sponsorship of the U.S. Department of Transportation in the interest of information exchange. The U.S. Government assumes no liability for its content or use thereof. This report does not constitute a standard, specification, or regulation.

The U.S. Government does not endorse products or manufacturers. Trade and manufacturers' names appear in this report only because they are considered essential to the object of the document.

Quality Assurance Statement

The Federal Highway Administration (FHWA) provides high-quality information to serve Government, industry, and the public in a manner that promotes understanding. Standards and policies are used to ensure and maximize the quality, objectivity, utility, and integrity of its information. FHWA periodically reviews quality issues and adjusts its programs and processes to ensure continuous quality improvement.


Technical Report Documentation Page

1. Report No.
FHWA-HRT-06-067

2. Government Accession No.

3. Recipient's Catalog No.

4. Title and Subtitle
GUIDELINES FOR THE COLLECTION OF
LONG-TERM PAVEMENT PERFORMANCE DATA

5. Report Date
March 2006

6. Performing Organization Code

7. Author(s)
A. L. Simpson, B. K. Ostrom, P. N. Schmalzer

8. Performing Organization Report No.

9. Performing Organization Name and Address
MACTEC Engineering and Consulting, Inc.
12104 Indian Creek Court, Suite A
Beltsville, MD 20705-1242

10. Work Unit No. (TRAIS)

11. Contract or Grant No.
DTFH61-02-C-00007

12. Sponsoring Agency Name and Address
Office of Infrastructure Research and Development
Federal Highway Administration
6300 Georgetown Pike
McLean, VA 22101-2296

13. Type of Report and Period Covered
Final Report, July 2005 to December 2005

14. Sponsoring Agency Code

15. Supplementary Notes
Contracting Officer's Technical Representative (COTR): Aramis Lopez, Jr., HRDI-13

16. Abstract
A set of data collection guidelines has been provided for the collection of all data obtained for the Long-Term Pavement Performance (LTPP) program. These guidelines were provided to the Regional Support Contractors (RSC) to facilitate data collection on a uniform basis. Over time, additional documents were developed providing more specific requirements for the collection of LTPP data. The primary purpose for the various data collection guides is to provide a uniform basis for data collection during long-term monitoring of the performance of pavement test sections under study by the LTPP program initiated under Strategic Highway Research Program (SHRP) and continued under the Federal Highway Administration (FHWA). As methods for collection of the data have changed and improved over the years, the guidelines used in obtaining these data have changed. The objective of this document is not to provide the exact guidelines, but rather to provide references for the guidelines and revisions to those guidelines used in collecting each type of data for LTPP over the lifetime of the LTPP program.

17. Key Words
asphalt concrete, automated weather station, climatic data, data collection, distress, falling weight deflectometer, field sampling, General Pavement Studies, inventory, joint faulting, laboratory testing, longitudinal profile, LTPP, maintenance, materials testing, monitoring, portland cement concrete, rehabilitation, seasonal monitoring, Specific Pavement Studies, subgrade, traffic, transverse profile, treated base, unbound base

18. Distribution Statement
No restrictions. This document is available to the public through the National Technical Information Service, Springfield, VA 22161.

19. Security Classif. (of this report)
Unclassified

20. Security Classif. (of this page)
Unclassified

21. No. of Pages
61

22. Price

Form DOT F 1700.7 (8-72) Reproduction of completed page authorized.

SI* (Modern Metric) Conversion Factors


TABLE OF CONTENTS

LIST OF TABLES

Table 1. Timeline of FWD Testing Manual Releases
Table 2. Timeline of Revision to Distress Data Collection Procedures
Table 3. Revision to Interim Guide for Laboratory Materials Handling and Testing

LIST OF ACRONYMS AND ABBREVIATIONS

AADT average annual daily traffic
AASHTO American Association of State Highway and Transportation Officials
AC asphalt concrete
AWS automated weather station
CCC Canadian Climatic Center
CPR concrete pavement restoration
DCG Data Collection Guide
FHWA Federal Highway Administration
FWD falling weight deflectometer
GPS General Pavement Studies
ICC International Cybernetics Corporation
IMS information management system
JCP jointed concrete pavement
LTPP Long-Term Pavement Performance
NOAA National Oceanic and Atmospheric Association
NCDC National Climatic Data Center
PCC portland cement concrete
RSC Regional Support Contractor
SHA State highway agency
SHRP Strategic Highway Research Program
SMP Seasonal Monitoring Program
SPS Specific Pavement Studies
STRS Strategic Transportation Research Study
TDR time domain reflectometry
TRB Transportation Research Board
TMG Traffic Monitoring Guide
WIM weigh-in-motion

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The Federal Highway Administration (FHWA) is a part of the U.S. Department of Transportation and is headquartered in Washington, D.C., with field offices across the United States. is a major agency of the U.S. Department of Transportation (DOT).
The Federal Highway Administration (FHWA) is a part of the U.S. Department of Transportation and is headquartered in Washington, D.C., with field offices across the United States. is a major agency of the U.S. Department of Transportation (DOT). Provide leadership and technology for the delivery of long life pavements that meet our customers needs and are safe, cost effective, and can be effectively maintained. Federal Highway Administration's (FHWA) R&T Web site portal, which provides access to or information about the Agency’s R&T program, projects, partnerships, publications, and results.
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United States Department of Transportation - Federal Highway Administration