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FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Table HM-12M - Highway Statistics 2014

Highway Statistics 2014


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PUBLIC ROAD LENGTH - 2014 (1)
    KILOMETERS BY TYPE OF SURFACE AND OWNERSHIP/
    FUNCTIONAL SYSTEM NATIONAL SUMMARY

October 2015
Table HM-12M

OWNERSHIP/
FUNCTIONAL SYSTEM
UNPAVED PAVED (2) TOTAL
BITUMINOUS CONCRETE COMPOSITE TOTAL
Rural:            
  State Highway Agency: (3)            
    Interstate 0 26,394 9,350 8,830 44,573 44,573
    Other Freeways & Expressways 0 4,663 2,360 1,334 8,357 8,357
    Other Principal Arterial 449 110,263 8,546 23,778 142,586 143,035
    Minor Arterial 127 166,383 4,342 28,841 199,566 199,693
    Major Collector 2,031 340,245 7,972 19,196 367,413 369,444
    Subtotal 2,607 647,947 32,570 81,978 762,495 765,102
  Other Jurisdictions:            
    Interstate - 939 195 988 2,122 2,122
    Other Freeways & Expressways - 58 129 16 202 202
    Other Principal Arterial 22 586 477 117 1,179 1,201
    Minor Arterial 520 9,901 59 412 10,372 10,892
    Major Collector 64,929 198,455 11,702 9,222 219,379 284,308
    Subtotal 65,471 209,938 12,561 10,755 233,254 298,725
  Federal Agency:            
    Interstate - - - - - -
    Other Freeways & Expressways - - - - - -
    Other Principal Arterial - 73 3 - 76 76
    Minor Arterial - 1,403 0 - 1,403 1,403
    Major Collector 801 2,196 1 74 2,270 3,072
    Subtotal 801 3,672 4 74 3,749 4,550
Subtotal 68,880 861,557 45,134 92,806 999,497 1,068,377
    Minor Collector 137,336   278,696 416,032
    Local 1,974,727     1,322,898 3,297,624
Total Rural 2,180,942       2,601,092 4,782,034
Urban:            
  State Highway Agency: (3)            
    Interstate - 12,082 7,549 8,173 27,803 27,803
    Other Freeways & Expressways - 8,518 4,108 4,255 16,881 16,881
    Other Principal Arterial 5 51,308 8,275 23,197 82,780 82,785
    Minor Arterial 0 45,519 2,418 15,411 63,348 63,349
    Major Collector 23 33,388 2,329 3,781 39,499 39,521
    Minor Collector 3 1,939 97 60 2,096 2,099
      Subtotal 31 152,754 24,776 54,877 232,407 232,438
  Other Jurisdictions:            
    Interstate - 520 238 1,078 1,836 1,836
    Other Freeways & Expressways 0 987 455 139 1,582 1,582
    Other Principal Arterial 10 16,839 2,779 3,385 23,003 23,013
    Minor Arterial 616 92,700 9,231 11,771 113,703 114,318
    Major Collector 2,371 139,630 9,432 10,560 159,622 161,992
    Minor Collector 429 12,280 229 154 12,663 13,092
    Subtotal 3,425 262,956 22,365 27,087 312,409 315,834
  Federal Agency:            
    Interstate - - 0 - 0 0
    Other Freeways & Expressways - 41 2 1 44 44
    Other Principal Arterial - 59 7 3 69 69
    Minor Arterial - 271 - 2 273 273
    Major Collector 15 218 - 3 222 237
    Minor Collector 9 9 - - 9 18
    Subtotal 25 598 10 9 616 641
Subtotal 3,481 416,308 47,151 81,973 545,432 548,913
    Local 102,588   1,269,792 1,372,380
Total Urban 106,069       1,815,224 1,921,293
Total Rural and Urban 2,287,011 1,277,865 92,285 174,779 4,416,316 6,703,327

(1) Includes the 50 States and the District of Columbia. Some differences from other tables may be noted because these are estimated from sample and summary data; some States may have missing/incomplete data. Due to conversion from English to metric units and to rounding, individual cell values may not agree with corresponding mileage table cell values.

(2) Paved includes the following categories: Bituminous -- bituminous, asphalt-concrete (AC) overlay over existing AC pavement; Concrete -- JPCP jointed plain concrete pavement, JRCP jointed reinforced concrete pavement, CRCP continuously reinforced concrete pavment; unbonded jointed concrete overlay on PCC pavement, bonded PCC overlay on PCC pavement, other (includes "whitetopping"); Composite -- AC overlay over jointed concrete pavement, AC (bituminous overlay over existing CRCP).

(3) Prior to 1999 included other state agency roads.

 

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