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FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Table HM-12 - Highway Statistics 2015

Highway Statistics 2015


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PUBLIC ROAD LENGTH - 2015 (1)
    MILES BY TYPE OF SURFACE AND OWNERSHIP/
    FUNCTIONAL SYSTEM NATIONAL SUMMARY

December 2016
Table HM-12

OWNERSHIP/
FUNCTIONAL SYSTEM
UNPAVED PAVED (2) TOTAL
BITUMINOUS CONCRETE COMPOSITE TOTAL
Rural:            
  State Highway Agency: (3)            
    Interstate 0 16,437 5,657 5,566 27,660 27,660
    Other Freeways & Expressways 0 3,318 1,612 801 5,732 5,732
    Other Principal Arterial 282 68,568 5,157 14,282 88,007 88,289
    Minor Arterial 81 101,555 2,336 18,331 122,222 122,302
    Major Collector 1,226 198,055 4,562 11,553 214,170 215,396
    Subtotal 1,589 387,933 19,325 50,533 457,790 459,379
  Other Jurisdictions:            
    Interstate - 583 105 579 1,267 1,267
    Other Freeways & Expressways - 33 100 15 148 148
    Other Principal Arterial 13 710 284 44 1,039 1,052
    Minor Arterial 277 6,550 68 427 7,044 7,321
    Major Collector 41,100 124,098 7,070 7,718 138,885 179,986
    Subtotal 41,391 131,974 7,627 8,783 148,384 189,774
  Federal Agency:            
    Interstate - - - - - -
    Other Freeways & Expressways - - - - - -
    Other Principal Arterial - 65 2 - 66 66
    Minor Arterial - 789 - - 789 789
    Major Collector 409 2,001 5 44 2,051 2,459
    Subtotal 409 2,856 7 44 2,907 3,315
Subtotal 43,388 522,763 26,959 59,359 609,080 652,469
    Minor Collector 83,328   174,663 257,991
    Local 1,203,794     816,483 2,020,277
Total Rural 1,330,510       1,600,226 2,930,737
Urban:            
  State Highway Agency: (3)            
    Interstate - 7,880 4,788 4,915 17,584 17,584
    Other Freeways & Expressways 2 5,197 3,001 2,520 10,718 10,720
    Other Principal Arterial 18 31,920 4,953 14,244 51,117 51,136
    Minor Arterial 1 27,307 1,412 9,871 38,589 38,590
    Major Collector 2 20,649 1,357 2,404 24,409 24,412
    Minor Collector 2 1,434 132 86 1,652 1,654
      Subtotal 25 94,388 15,643 34,039 144,070 144,095
  Other Jurisdictions:            
    Interstate 15 413 162 629 1,203 1,218
    Other Freeways & Expressways 5 579 392 104 1,075 1,080
    Other Principal Arterial 0 11,309 1,957 1,910 15,176 15,177
    Minor Arterial 750 55,485 6,847 7,107 69,438 70,189
    Major Collector 1,763 83,755 7,327 6,859 97,941 99,704
    Minor Collector 301 9,217 256 273 9,745 10,046
    Subtotal 2,834 160,759 16,940 16,881 194,580 197,414
  Federal Agency:            
    Interstate - - - - - -
    Other Freeways & Expressways - 31 1 - 32 32
    Other Principal Arterial - 12 - 2 13 13
    Minor Arterial - 253 - 1 254 254
    Major Collector 8 103 6 2 111 119
    Minor Collector 8 24 - - 24 32
    Subtotal 16 423 7 5 435 451
Subtotal 2,875 255,569 32,591 50,925 339,085 341,960
    Local 58,207   795,896 854,103
Total Urban 61,082       1,134,981 1,196,063
Total Rural and Urban 1,391,593 778,332 59,549 110,284 2,735,207 4,126,800

(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.

(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.

 

Page last modified on December 7, 2016
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