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Publication Number: FHWA-HRT-06-068
Date: March 2006

Long-Term Pavement Performance Maintenance and Rehabilitation Data Collection Guide

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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. 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 contents 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.



1. Report No.

FHWA-HRT-06-068

2. Government Accession No.

3. Recipient's Catalog No.

4. Title and Subtitle

LONG-TERM PAVEMENT PERFORMANCE
MAINTENANCE AND REHABILITATION DATA COLLECTION GUIDE

5. Report Date

March 2006

6. Performing Organization Code

7. Author(s)

Amy L. Simpson, Travis Thompson

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–3

16. Abstract

This document provides guidelines and forms for documenting maintenance and rehabilitation treatments on test sections in the Long-Term Pavement Performance (LTPP) program and is an update to chapters 6 and 7 of the 1993 version of the LTPP Data Collection Guide. The terms maintenance and rehabilitation are used within the LTPP program to classify how various treatments which alter a test section's structure are documented in the database. This is an important distinction, since classification of some of these treatments may differ from highway agency terminology. For example, thin overlays that some agencies may classify as maintenance are classified within the LTPP program as rehabilitation, since the data forms for overlays of any thickness are the same.

17. Key Words

asphalt concrete, chip seal, continuously reinforced concrete pavement, crack and seat, crack sealing, fog seal, grinding, grooving, heater scarification, joint load transfer restoration, joint resealing, jointed plain concrete pavement, jointed reinforced concrete pavement, LTPP, maintenance, milling, overlay, patching, portland cement concrete, pressure relief joints, recycled overlay, rehabilitation, retrofit subdrainage, seal coat, shoulder restoration, slab replacement, slurry seal, subsealing, surface treatment, undersealing PCC

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

245

22. Price

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

SI* (Modern Metric) Conversion Factors



TABLE OF CONTENTS

CHAPTER 1. INTRODUCTION

CHAPTER 2. STATUS CHANGE REQUEST

CHAPTER 3. MAINTENANCE

CHAPTER 4. REHABILITATION

APPENDIX A. STANDARD CODES

List of Tables

LIST OF ACRONYMS AND ABBREVIATIONS

AASHTO American Association of State Highway and Transportation Officials
AC asphalt concrete
ACI American Concrete Institute
ASTM American Society for Testing and Materials
CN construction numbers
CPR concrete pavement restoration
CRCP continuously reinforced concrete pavement
ESAL equivalent single axle load
FHWA Federal Highway Administration
FWD falling weight deflectometer
GPS General Pavement Studies
HMAC Hot-mix asphalt concrete
IMS Information Management System
JCP jointed concrete pavement
JPCP jointed plain concrete pavement
JRCP jointed reinforced concrete pavement
LTE load transfer efficiency
LTPP Long-Term Pavement Performance
PCC portland cement concrete
RSC Regional Support Contractor
SAMI stress-absorbing membrane interlayers
SHA State highway agency
SHRP Strategic Highway Research Program
SMP Seasonal Monitoring Program
SPS Specific Pavement Studies
TSSC Technical Support Services Contractor
VMA voids in mineral aggregate

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