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FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Table HM-16M - Highway Statistics 2016

Highway Statistics 2016


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Public Road Length - 2016 (1)
    Kilometers by Ownership and Federal-Aid Highways
    National Summary

September 18, 2017
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 44,732 154,387 199,118 490,767 689,886 292,900 982,785
   County - 594 594 347,607 348,201 2,188,795 2,536,996
   Town, Township, Municipal (2) 1 168 169 17,586 17,756 877,562 895,318
   Other Jurisdictions 2,152 636 2,788 4,775 7,563 74,978 82,542
   Federal Agency - 197 197 9,383 9,580 205,025 214,605
Total Rural 46,885 155,981 202,867 870,118 1,072,985 3,639,260 4,712,245
Small Urban Areas:              
   State Highway Agency 4,368 21,791 26,159 29,894 56,053 10,037 66,089
   County - 271 271 19,410 19,681 57,308 76,989
   Town, Township, Municipal (2) 1 1,085 1,086 38,236 39,322 171,689 211,011
   Other Jurisdictions 153 48 200 129 330 1,388 1,718
   Federal Agency - 12 12 145 157 1,674 1,830
Total Small Urban Area 4,522 23,206 27,728 87,814 115,542 242,096 357,638
Urbanized Areas:              
   State Highway Agency 24,131 69,046 93,177 71,910 165,087 42,071 207,158
   County - 6,980 6,980 81,204 88,184 234,041 322,225
   Town, Township, Municipal (2) 27 22,668 22,695 176,424 199,118 844,164 1,043,282
   Other Jurisdictions 1,992 1,567 3,560 996 4,555 4,123 8,678
   Federal Agency 0 137 137 453 590 11,042 11,632
Total Urbanized Area 26,150 100,399 126,549 330,986 457,535 1,135,440 1,592,975
Total Urban:              
   State Highway Agency 28,499 90,837 119,336 101,804 221,140 52,108 273,248
   County - 7,251 7,251 100,614 107,865 291,348 399,214
   Town, Township, Municipal (2) 28 23,753 23,781 214,659 238,440 1,015,853 1,254,293
   Other Jurisdictions 2,145 1,615 3,760 1,125 4,885 5,511 10,396
   Federal Agency 0 149 149 597 747 12,715 13,462
Total Urban 30,672 123,605 154,277 418,800 573,077 1,377,536 1,950,613
Total Rural and Urban 77,557 279,586 357,144 1,288,918 1,646,062 5,016,796 6,662,858

(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.

 

Page last modified on November 1, 2017
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