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Highway Statistics 2011


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Public Road Length - 2011 1/
    Kilometers by Ownership and Federal-Aid Highways
    National Summary

May 2013
Table HM-16M

OWNERSHIP FEDERAL-AID HIGHWAYS NON-
FEDERAL-AID
HIGHWAYS
TOTAL
NATIONAL HIGHWAY SYSTEM OTHER TOTAL
INTERSTATE 2/ OTHER TOTAL
Rural:              
   State Highway Agency 46,301 130,942 177,243 530,374 707,616 306,650 1,014,266
   County 1 184 184 354,583 354,767 2,203,420 2,558,187
   Town, Township, Municipal 2/ - 62 62 16,710 16,772 920,761 937,533
   Other Jurisdictions 2,258 619 2,877 4,676 7,553 77,670 85,223
   Federal Agency 132 185 317 9,125 9,442 194,274 203,716
Total Rural 48,692 131,991 180,683 915,468 1,096,151 3,702,774 4,798,924
Small Urban Areas:              
   State Highway Agency 3,751 12,267 16,018 34,348 50,366 37,643 88,009
   County - 54 54 17,400 17,454 175,044 192,498
   Town, Township, Municipal 2/ - 187 187 39,214 39,400 1,268 40,668
   Other Jurisdictions 114 37 151 186 337 - 337
   Federal Agency 0 4 4 85 89 2,000 2,089
Total Small Urban Area 3,865 12,549 16,414 91,233 107,647 215,955 323,602
Urbanized Areas:              
   State Highway Agency 21,188 35,750 56,938 86,758 143,696 783,853 927,549
   County 4 1,801 1,805 74,782 76,587 2,798 79,386
   Town, Township, Municipal 2/ 27 4,655 4,682 172,315 176,997 12,377 189,374
   Other Jurisdictions 1,768 1,094 2,862 1,545 4,407 - 4,407
   Federal Agency 32 101 134 421 555 - 555
Total Urbanized Area 23,018 43,402 66,420 335,823 402,242 799,028 1,201,270
Total Urban:              
   State Highway Agency 24,939 48,017 72,956 121,106 194,062 821,495 1,015,557
   County 4 1,856 1,859 92,182 94,042 177,842 271,884
   Town, Township, Municipal 2/ 27 4,842 4,868 211,529 216,397 13,645 230,042
   Other Jurisdictions 1,881 1,131 3,013 1,732 4,744 - 4,744
   Federal Agency 33 105 137 507 644 2,000 2,644
Total Urban 26,883 55,951 82,834 427,056 509,889 1,014,982 1,524,872
Total Rural and Urban 75,575 187,941 263,516 1,342,524 1,606,040 4,717,756 6,323,796

1/ Includes the 50 States and the District of Columbia. Due to conversion from English to metric units and rounding, individual cells may not agree with corresponding mileage table cell values. May differ from other tables; excludes unknown ownership mileage.

2/ Prior to 1999, municipal was included with other jurisdictions.