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Conditions and Performance Report. Appendix B.

Conditions and Performance Report
Appendix B—National Highway System
Exhibit B-1
Highway Mileage, Lane Mileage, and Vehicle-Miles Traveled on the National Highway System Compared to All Roads, by Functional System, 1997
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Source: June 1999 HPMS.
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Page last modified on November 7, 2014
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000