Figure 52 - Federal-Aid Roadway Projects Underway by Improvement Type: 2001
Figure 52 - Federal-Aid Roadway Projects Underway by Improvement Type: 2001
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NOTES: Maintenance includes any work required to keep highways in usable condition that does not extend the service life of the roadway beyond the original design. Restoration includes renovation. Although the following categories are not generally considered maintenance, they are included for comparison: major widening, relocation, and new route.
SOURCE: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics 2001 (Washington, DC: 2002), "Miles of Federal-Aid Roadway Projects Underway by Improvement Type" chart, also available at http://www.fhwa.dot.gov/ohim, as of June 2003.