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Publication Number: FHWA-HRT-06-132
Date: December 2006

Long-Term Pavement Performance Program Manual for Falling Weight Deflectometer Measurements

Chapter 13. Documentation

The following documentation should be kept in the FWD tow vehicle when it is collecting data on behalf of LTPP:

Only the most recent version of each document should be kept.

In addition, all active LTPP FWD and applicable GO directives should be kept in the tow vehicle. Inactive directives should not be kept in the tow vehicle.

The operator should keep at least five blank copies of all forms in appendix B of this manual in the tow vehicle.

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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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