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FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Table HM-12 - Highway Statistics 2017

Highway Statistics 2017


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PUBLIC ROAD LENGTH - 2017 (1)
    MILES BY TYPE OF SURFACE AND OWNERSHIP/
    FUNCTIONAL SYSTEM NATIONAL SUMMARY

August 23, 2018
Table HM-12

OWNERSHIP/
FUNCTIONAL SYSTEM
UNPAVED PAVED (2) TOTAL
BITUMINOUS CONCRETE COMPOSITE TOTAL
Rural:            
  State Highway Agency: (3)            
    Interstate 0 16,284 5,829 5,468 27,582 27,582
    Other Freeways & Expressways 0 3,027 1,786 1,447 6,259 6,259
    Other Principal Arterial 273 68,408 4,924 15,074 88,406 88,680
    Minor Arterial 82 101,552 2,860 16,756 121,169 121,251
    Major Collector 1,039 193,864 5,129 10,730 209,723 210,762
    Subtotal 1,394 383,136 20,528 49,476 453,139 454,534
  Other Jurisdictions:            
    Interstate - 583 126 297 1,005 1,005
    Other Freeways & Expressways - 65 133 - 198 198
    Other Principal Arterial 13 645 209 45 899 913
    Minor Arterial 290 7,868 11 410 8,288 8,578
    Major Collector 36,102 134,287 6,196 6,450 146,933 183,035
    Subtotal 36,405 143,447 6,674 7,201 157,323 193,728
  Federal Agency:            
    Interstate - - - - 0 0
    Other Freeways & Expressways - - - - 0 0
    Other Principal Arterial - 52 2 - 53 53
    Minor Arterial - 962 0 - 963 963
    Major Collector 329 1,587 1 46 1,634 1,963
    Subtotal 329 2,601 2 46 2,650 2,979
Subtotal 38,129 529,184 27,205 56,724 613,112 651,241
    Minor Collector 84,226       177,339 261,565
    Local 1,182,718       836,356 2,019,074
Total Rural 1,305,073       1,626,807 2,931,880
Urban:            
  State Highway Agency: (3)            
    Interstate - 7,814 5,080 4,498 17,393 17,393
    Other Freeways & Expressways - 4,725 3,045 2,596 10,365 10,365
    Other Principal Arterial - 29,581 4,373 13,880 47,833 47,833
    Minor Arterial 16 26,255 1,483 9,141 36,879 36,895
    Major Collector 15 21,116 1,472 2,779 25,367 25,383
    Minor Collector 10 1,791 184 262 2,237 2,248
      Subtotal 42 91,282 15,637 33,157 140,075 140,117
  Other Jurisdictions:            
    Interstate - 421 165 366 952 952
    Other Freeways & Expressways - 551 417 26 994 994
    Other Principal Arterial 4 13,582 1,730 2,581 17,893 17,897
    Minor Arterial 155 56,293 6,288 7,231 69,813 69,968
    Major Collector 890 81,843 6,007 7,204 95,054 95,944
    Minor Collector 571 11,465 287 736 12,488 13,059
    Subtotal 1,619 164,156 14,895 18,144 197,195 198,814
  Federal Agency:            
    Interstate - - 0 - 0 0
    Other Freeways & Expressways - 32 0 - 32 32
    Other Principal Arterial - 7 - 3 9 9
    Minor Arterial - 133 0 1 134 134
    Major Collector 7 94 7 2 103 109
    Minor Collector 8 23 - - 23 30
    Subtotal 14 288 8 5 301 316
Subtotal 1,675 255,726 30,539 51,306 337,571 339,246
    Local 59,653   815,712 875,365
Total Urban 61,328       1,153,283 1,214,611
Total Rural and Urban 1,366,401 784,910 57,744 108,029 2,780,090 4,146,491

(1) Includes the 50 States, Puerto Rico (data may be incomplete), 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 November 27, 2018
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000