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

Highway Statistics 2015


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

December 2016
Table HM-18

FUNCTIONAL SYSTEM FEDERAL-AID HIGHWAYS NON-
FEDERAL-AID
HIGHWAYS
TOTAL
NATIONAL HIGHWAY SYSTEM OTHER TOTAL
INTERSTATE OTHER TOTAL
Rural:              
    Principal Arterial:              
      Interstate 28,990 - 28,990 - 28,990 - 28,990
      Other Freeways and Expressways - 5,917 5,917 31 5,948 - 5,948
      Other - 87,487 87,487 2,132 89,618 - 89,618
        Subtotal 28,990 93,404 122,394 2,162 124,556 - 124,556
    Minor Arterial - 2,358 2,358 130,658 133,016 - 133,016
    Major Collector - 854 854 408,821 409,676 - 409,676
    Minor Collector - 17 17 - 17 257,976 257,993
    Local - 41 41 - 41 2,020,230 2,020,272
Total Rural 28,990 96,674 125,664 541,642 667,307 2,278,206 2,945,513
  Small Urban:              
      Principal Arterial:              
        Interstate 2,776 - 2,776 - 2,776 - 2,776
        Other Freeways and Expressways - 1,333 1,333 15 1,348 - 1,348
        Other - 12,574 12,574 1,075 13,650 - 13,650
          Subtotal 2,776 13,907 16,683 1,090 17,773 - 17,773
      Minor Arterial - 751 751 20,678 21,429 - 21,429
      Major Collector - 79 79 28,380 28,459 - 28,459
      Minor Collector - 7 7 4,006 4,013 - 4,013
      Local - 18 18 - 18 151,011 151,029
Total Small Urban 2,776 14,762 17,538 54,155 71,692 151,011 222,703
  Urbanized:              
      Principal Arterial:              
        Interstate 16,287 - 16,287 - 16,287 - 16,287
        Other Freeways and Expressways - 10,572 10,572 119 10,690 - 10,690
        Other - 50,340 50,340 2,864 53,205 - 53,205
          Subtotal 16,287 60,912 77,199 2,983 80,183 - 80,183
      Minor Arterial - 1,768 1,768 90,395 92,163 - 92,163
      Major Collector - 431 431 100,787 101,218 - 101,218
      Minor Collector - 10 10 9,863 9,873 - 9,873
      Local - 133 133 - 133 702,943 703,075
Total Urbanized 16,287 63,253 79,541 204,028 283,569 702,943 986,511
Total Urban:              
    Principal Arterial:              
      Interstate 19,063 - 19,063 - 19,063 - 19,063
      Other Freeways And Expressways - 11,904 11,904 134 12,038 - 12,038
      Other - 62,915 62,915 3,940 66,855 - 66,855
        Subtotal 19,063 74,819 93,882 4,074 97,956 - 97,956
    Minor Arterial - 2,519 2,519 111,073 113,592 - 113,592
    Major Collector - 510 510 129,167 129,677 - 129,677
    Minor Collector - 16 16 13,869 13,885 - 13,885
    Local - 151 151 - 151 853,953 854,104
Total Urban 19,063 78,015 97,078 258,182 355,261 853,953 1,209,214
Total Rural and Urban 48,053 174,690 222,743 799,825 1,022,567 3,132,160 4,154,727

(1) Includes the 50 States, and the District of Columbia.

 

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