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Publication Number: FHWA-HRT-05-079
Date: May 2006

Optimization of Traffic Data Collection for Specific Pavement Design Applications

Appendix B. CLUSTER ANALYSIS RESULTS

Figure 24. Clusters of LTPP sites by annual tandem-axle load distribution, Washington State.

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Figure 25. Clusters of LTPP sites by annual tandem-axle load distribution, Vermont.

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Figure 26. Clusters of LTPP sites by annual tandem-axle load distribution, Mississippi.

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Figure 27. Clusters of LTPP sites by annual tandem-axle load distribution, Minnesota.

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Figure 28. Clusters of LTPP sites by annual tandem-axle load distribution, Michigan.

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Figure 29. Clusters of LTPP sites by annual tandem-axle load distribution, Indiana.

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Figure 30. Clusters of LTPP sites by annual tandem-axle load distribution, Connecticut.

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Figure 31. Clusters of LTPP sites by annual average truck class distribution, Washington State.

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Figure 32. Clusters of LTPP sites by annual average truck class distribution, Vermont.

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Figure 33. Clusters of LTPP sites by annual average truck class distribution, Mississippi.

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Figure 34. Clusters of LTPP sites by annual average truck class distribution, Minnesota.

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Figure 35. Clusters of LTPP sites by annual average truck class distribution, Michigan.

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Figure 36. Clusters of LTPP sites by annual average truck class distribution, Indiana.

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Figure 37. Clusters of LTPP sites by annual average truck class distribution, Connecticut.

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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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