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FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Table HM-18M - Highway Statistics 2015

Highway Statistics 2015


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PUBLIC ROAD LENGTH - 2015 (1)
  KILOMETERS BY FUNCTIONAL SYSTEM AND FEDERAL-AID HIGHWAYS
  NATIONAL SUMMARY

December 2016
Table HM-18M

FUNCTIONAL SYSTEM FEDERAL-AID HIGHWAYS NON-
FEDERAL-AID
HIGHWAYS
TOTAL
NATIONAL HIGHWAY SYSTEM OTHER TOTAL
INTERSTATE OTHER TOTAL
Rural:              
    Principal Arterial:              
      Interstate 46,655 - 46,655 - 46,655 - 46,655
      Other Freeways and Expressways - 9,522 9,522 50 9,572 - 9,572
      Other - 140,796 140,796 3,430 144,227 - 144,227
        Subtotal 46,655 150,319 196,974 3,480 200,454 - 200,454
    Minor Arterial - 3,795 3,795 210,274 214,069 - 214,069
    Major Collector - 1,375 1,375 657,934 659,309 - 659,309
    Minor Collector - 28 28 - 28 415,172 415,200
    Local - 67 67 - 67 3,251,246 3,251,312
Total Rural 46,655 155,582 202,237 871,689 1,073,926 3,666,418 4,740,344
  Small Urban: - - - - - - -
      Principal Arterial: - - - - - - -
        Interstate 4,467 - 4,467 - 4,467 - 4,467
        Other Freeways and Expressways - 2,145 2,145 24 2,169 - 2,169
        Other - 20,237 20,237 1,731 21,967 - 21,967
          Subtotal 4,467 22,381 26,848 1,755 28,603 - 28,603
      Minor Arterial - 1,209 1,209 33,278 34,487 - 34,487
      Major Collector - 127 127 45,674 45,800 - 45,800
      Minor Collector - 11 11 6,447 6,458 - 6,458
      Local - 29 29 - 29 243,028 243,058
Total Small Urban 4,467 23,757 28,224 87,153 115,377 243,028 358,406
  Urbanized: - - - - - - -
      Principal Arterial: - - - - - - -
        Interstate 26,212 - 26,212 - 26,212 - 26,212
        Other Freeways and Expressways - 17,013 17,013 191 17,204 - 17,204
        Other - 81,015 81,015 4,610 85,625 - 85,625
          Subtotal 26,212 98,028 124,240 4,801 129,041 - 129,041
      Minor Arterial - 2,845 2,845 145,476 148,321 - 148,321
      Major Collector - 694 694 162,201 162,895 - 162,895
      Minor Collector - 16 16 15,873 15,888 - 15,888
      Local - 214 214 - 214 1,131,276 1,131,490
Total Urbanized 26,212 101,796 128,009 328,351 456,359 1,131,276 1,587,636
Total Urban: - - - - - - -
    Principal Arterial: - - - - - - -
      Interstate 30,679 - 30,679 - 30,679 - 30,679
      Other Freeways And Expressways - 19,158 19,158 215 19,373 - 19,373
      Other - 101,252 101,252 6,341 107,592 - 107,592
        Subtotal 30,679 120,409 151,089 6,556 157,644 - 157,644
    Minor Arterial - 4,054 4,054 178,754 182,808 - 182,808
    Major Collector - 821 821 207,875 208,695 - 208,695
    Minor Collector - 26 26 22,320 22,346 - 22,346
    Local - 243 243 - 243 1,374,305 1,374,548
Total Urban 30,679 125,553 156,232 415,504 571,737 1,374,305 1,946,042
Total Rural and Urban 77,334 281,136 358,470 1,287,193 1,645,663 5,040,723 6,686,385

(1) Includes the 50 States and the District of Columbia. Due to conversion from English to metric units and to rounding, individual cell values may not agree with corresponding mileage table cell values.

 

Page last modified on December 7, 2016
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000