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

Highway Statistics 2017


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

October 2018
Table HM-12M

OWNERSHIP/
FUNCTIONAL SYSTEM		 UNPAVED PAVED (2) TOTAL
BITUMINOUS CONCRETE COMPOSITE TOTAL
Rural:            
  State Highway Agency: (3)            
    Interstate 0 26,207 9,381 8,801 44,388 44,388
    Other Freeways & Expressways 0 4,871 2,874 2,329 10,073 10,073
    Other Principal Arterial 440 110,092 7,925 24,259 142,276 142,716
    Minor Arterial 132 163,432 4,603 26,967 195,003 195,135
    Major Collector 1,672 311,994 8,254 17,269 337,517 339,189
    Subtotal 2,244 616,597 33,036 79,624 729,257 731,501
  Other Jurisdictions:            
    Interstate 0 938 202 477 1,617 1,617
    Other Freeways & Expressways 0 105 214 - 319 319
    Other Principal Arterial 22 1,037 337 73 1,447 1,469
    Minor Arterial 466 12,662 17 659 13,338 13,805
    Major Collector 58,101 216,114 9,972 10,380 236,466 294,566
    Subtotal 58,589 230,856 10,741 11,590 253,187 311,775
  Federal Agency:            
    Interstate 0 0 0 0 - -
    Other Freeways & Expressways 0 - - - - -
    Other Principal Arterial 0 84 2 - 86 86
    Minor Arterial 0 1,549 0 - 1,549 1,549
    Major Collector 530 2,554 1 75 2,630 3,159
    Subtotal 530 4,187 4 75 4,265 4,795
Subtotal 61,362 851,639 43,781 91,288 986,709 1,048,071
    Minor Collector 135,549       285,399 420,948
    Local 1,903,400       1,345,985 3,249,385
Total Rural 2,100,311       2,618,093 4,718,404
Urban:            
  State Highway Agency: (3)            
    Interstate 0 12,575 8,176 7,240 27,991 27,991
    Other Freeways & Expressways 0 7,604 4,900 4,178 16,681 16,681
    Other Principal Arterial 0 47,606 7,037 22,337 76,980 76,980
    Minor Arterial 26 42,253 2,386 14,712 59,351 59,377
    Major Collector 25 33,983 2,369 4,472 40,825 40,850
    Minor Collector 17 2,883 296 422 3,601 3,617
      Subtotal 67 146,904 25,165 53,360 225,429 225,496
  Other Jurisdictions: - - - - - -
    Interstate 0 678 265 589 1,532 1,532
    Other Freeways & Expressways 0 887 672 41 1,600 1,600
    Other Principal Arterial 6 21,858 2,784 4,154 28,796 28,802
    Minor Arterial 249 90,595 10,120 11,637 112,353 112,602
    Major Collector 1,432 131,714 9,668 11,593 152,975 154,407
    Minor Collector 919 18,451 462 1,185 20,098 21,017
    Subtotal 2,606 264,183 23,971 29,200 317,354 319,960
  Federal Agency:            
    Interstate 0 0 0 0 0 0
    Other Freeways & Expressways 0 52 0 - 52 52
    Other Principal Arterial 0 11 - 4 15 15
    Minor Arterial 0 215 1 1 216 216
    Major Collector 11 151 12 3 165 176
    Minor Collector 12 37 - - 37 49
    Subtotal 23 464 12 8 485 508
Subtotal 2,696 411,551 49,148 82,568 543,268 545,964
    Local 96,002   1,312,761 1,408,763
Total Urban 98,699       1,856,029 1,954,727
Total Rural and Urban 2,199,009 1,263,191 92,929 173,856 4,474,121 6,673,131

(1) Includes the 50 States, Puerto Rico, 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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