Percentage of mileage in roadway class
|Other principal arterials||12.1||10.6||12.0||7.3||6.5||6.1||4.5||4.0||3.7||3.4||3.5|
NOTES: Data are for the 50 states and the District of Columbia. The terms poor and mediocre as used here are Federal Highway Administration (FHWA) pavement condition criteria term categories for quantitative International Roughness Index and Present Serviceability Ratings. For further information, see U.S. Department of Transportation, FHWA, Status of the Nation's Highways, Bridges, and Transit: 2002 Conditions and Performance Report, Exhibit 3-3, available at http://www.fhwa.dot.gov/policy, as of August 2005.
SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, National Transportation Statistics 2004, table 1-26, available at http://www.bts.gov/, as of January 2005 .