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Table HM-18M – Office of Highway Policy Information (OHPI) – FHWA

Highway Statistics Series

Highway Statistics 2012


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PUBLIC ROAD LENGTH - 2011 (1)
  KILOMETERS BY FUNCTIONAL SYSTEM AND FEDERAL-AID HIGHWAYS
  NATIONAL SUMMARY

October 2013
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 49,121 - 49,121 - 49,121 - 49,121
      Other Freeways and Expressways - 7,055 7,055 19 7,073 - 7,073
      Other - 146,711 146,711 416 147,127 - 147,127
        Subtotal 49,121 153,766 202,887 435 203,321 - 203,321
    Minor Arterial - 4,232 4,232 213,186 217,418 - 217,418
    Major Collector - 1,066 1,066 673,425 674,491 - 674,491
    Minor Collector - 7 7 - 7 421,947 421,954
    Local - 61 61 - 61 3,278,135 3,278,195
Total Rural 49,121 159,132 208,253 887,046 1,095,299 3,700,081 4,795,380
  Small Urban: - - - - - - -
      Principal Arterial: - - - - - - -
        Interstate 3,919 - 3,919 - 3,919 - 3,919
        Other Freeways and Expressways - 2,206 2,206 11 2,217 - 2,217
        Other - 21,325 21,325 1,173 22,498 - 22,498
          Subtotal 3,919 23,531 27,450 1,184 28,634 - 28,634
      Minor Arterial - 464 464 34,523 34,986 - 34,986
      Major Collector - 78 78 41,292 41,370 - 41,370
      Minor Collector - 14 14 2,558 2,572 - 2,572
      Local - 21 21 - 21 230,834 230,855
Total Small Urban 3,919 24,107 28,026 79,557 107,583 230,834 338,417
  Urbanized: - - - - - - -
      Principal Arterial: - - - - - - -
        Interstate 23,295 - 23,295 - 23,295 - 23,295
        Other Freeways and Expressways - 16,075 16,075 166 16,240 - 16,240
        Other - 80,614 80,614 1,806 82,420 - 82,420
          Subtotal 23,295 96,689 119,983 1,972 121,955 - 121,955
      Minor Arterial - 1,851 1,851 137,500 139,351 - 139,351
      Major Collector - 540 540 144,287 144,828 - 144,828
      Minor Collector - 1 1 3,201 3,203 - 3,203
      Local - 142 142 - 142 1,043,334 1,043,476
Total Urbanized 23,295 99,222 122,517 286,961 409,478 1,043,334 1,452,812
Total Urban: - - - - - - -
    Principal Arterial: - - - - - - -
      Interstate 27,214 - 27,214 - 27,214 - 27,214
      Other Freeways And Expressways - 18,281 18,281 177 18,458 - 18,458
      Other - 101,939 101,939 2,979 104,918 - 104,918
        Subtotal 27,214 120,220 147,434 3,155 150,589 - 150,589
    Minor Arterial - 2,314 2,314 172,023 174,337 - 174,337
    Major Collector - 619 619 185,579 186,198 - 186,198
    Minor Collector - 15 15 5,760 5,775 - 5,775
    Local - 162 162 - 162 1,274,168 1,274,331
Total Urban 27,214 123,330 150,544 366,517 517,061 1,274,168 1,791,230
Total Rural and Urban 76,335 282,462 358,797 1,253,563 1,612,360 4,974,250 6,586,610

(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 April 1, 2019
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