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FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Table HM-18M - Highway Statistics 2017

Highway Statistics 2017


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PUBLIC ROAD LENGTH - 2017 (1)
  KILOMETERS BY FUNCTIONAL SYSTEM AND FEDERAL-AID HIGHWAYS
  NATIONAL SUMMARY

August 23, 2018
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 46,885 - 46,885 - 46,885 - 46,885
      Other Freeways and Expressways - 10,212 10,212 52 10,265 - 10,265
      Other - 140,209 140,209 4,194 144,403 - 144,403
        Subtotal 46,885 150,422 197,307 4,246 201,553 - 201,553
    Minor Arterial - 4,252 4,252 211,093 215,345 - 215,345
    Major Collector - 1,269 1,269 654,780 656,049 - 656,049
    Minor Collector - 9 9 - 9 415,969 415,978
    Local - 29 29 - 29 3,223,291 3,223,320
Total Rural 46,885 155,981 202,867 870,118 1,072,985 3,639,260 4,712,245
  Small Urban: - - - - - - -
      Principal Arterial: - - - - - - -
        Interstate 4,522 - 4,522 - 4,522 - 4,522
        Other Freeways and Expressways - 2,258 2,258 58 2,316 - 2,316
        Other - 19,436 19,436 2,003 21,439 - 21,439
          Subtotal 4,522 21,694 26,216 2,061 28,277 - 28,277
      Minor Arterial - 1,342 1,342 32,539 33,881 - 33,881
      Major Collector - 129 129 45,559 45,688 - 45,688
      Minor Collector - 15 15 7,654 7,670 - 7,670
      Local - 26 26 - 26 242,096 242,122
Total Small Urban 4,522 23,206 27,728 87,814 115,542 242,096 357,638
  Urbanized: - - - - - - -
      Principal Arterial: - - - - - - -
        Interstate 26,150 - 26,150 - 26,150 - 26,150
        Other Freeways and Expressways - 17,189 17,189 217 17,406 - 17,406
        Other - 79,127 79,127 5,871 84,999 - 84,999
          Subtotal 26,150 96,316 122,466 6,088 128,554 - 128,554
      Minor Arterial - 3,129 3,129 143,855 146,984 - 146,984
      Major Collector - 720 720 161,476 162,196 - 162,196
      Minor Collector - 59 59 19,567 19,626 - 19,626
      Local - 174 174 - 174 1,135,440 1,135,614
Total Urbanized 26,150 100,399 126,549 330,986 457,535 1,135,440 1,592,975
Total Urban: - - - - - - -
    Principal Arterial: - - - - - - -
      Interstate 30,672 - 30,672 - 30,672 - 30,672
      Other Freeways And Expressways - 19,447 19,447 275 19,722 - 19,722
      Other - 98,564 98,564 7,874 106,438 - 106,438
        Subtotal 30,672 118,011 148,682 8,149 156,831 - 156,831
    Minor Arterial - 4,470 4,470 176,395 180,865 - 180,865
    Major Collector - 849 849 207,035 207,884 - 207,884
    Minor Collector - 75 75 27,221 27,296 - 27,296
    Local - 200 200 - 200 1,377,536 1,377,736
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, Puerto Rico (data may not be complete), 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 November 27, 2018
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000