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FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Table HM-12M - Highway Statistics 2019

Highway Statistics 2019


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PUBLIC ROAD LENGTH - 2019 (1)
    KILOMETERS BY TYPE OF SURFACE AND OWNERSHIP/
    FUNCTIONAL SYSTEM NATIONAL SUMMARY

October, 2020

Table HM-12M
OWNERSHIP/
FUNCTIONAL SYSTEM
UNPAVED PAVED (2) TOTAL
BITUMINOUS CONCRETE COMPOSITE TOTAL
Rural:
State Highway Agency: (3) Interstate 17 27,419 8,725 8,619 44,763 44,780
Other Freeways & Expressways 0 5,206 2,727 2,275 10,208 10,208
Other Principal Arterial 507 114,786 8,459 20,059 143,305 143,812
Minor Arterial 158 168,233 2,806 25,008 196,046 196,204
Major Collector 2,626 325,007 1,307 13,420 339,734 342,361
Subtotal 3,308 640,651 24,024 69,382 734,057 737,364
Other Jurisdictions: Interstate 0 1,230 204 406 1,840 1,840
Other Freeways & Expressways 0 104 202 0.0 306 306
Other Principal Arterial 24 965 359 8 1,331 1,355
Minor Arterial 541 12,145 18 550 12,714 13,255
Major Collector 40,346 194,290 10,332 11,119 215,741 256,087
Subtotal 40,910 208,734 11,115 12,083 231,933 272,843
Federal Agency: Interstate 0 0 0 0 0.0 0.0
Other Freeways & Expressways 0 0.0 0.0 0.0 0.0 0.0
Other Principal Arterial 0 68 2 0.0 70 70
Minor Arterial 0 1,985 0 0.0 1,985 1,985
Major Collector 511 2,469 0.0 120 2,589 3,100
Subtotal 511 4,522 3 120 4,644 5,155
Subtotal 44,729 853,907 35,141 81,585 970,634 1,015,363
Minor Collector 122,902 290,297 413,199
Local 1,733,500 1,502,311 3,235,811
Total Rural 1,901,132 2,763,242 4,664,373
Urban:
State Highway Agency: (3) Interstate 0 13,093 8,298 6,854 28,245 28,245
Other Freeways & Expressways 0 9,092 4,726 3,371 17,189 17,189
Other Principal Arterial 2 55,784 7,084 17,281 80,149 80,151
Minor Arterial 25 48,363 1,811 11,066 61,239 61,265
Major Collector 25 35,484 2,985 3,687 42,156 42,180
Minor Collector 22 3,475 50 482 4,007 4,029
Subtotal 73 165,290 24,954 42,741 232,985 233,058
Other Jurisdictions: Interstate 0 1,092 286 392 1,770 1,770
Other Freeways & Expressways 0 844 837 50 1,732 1,732
Other Principal Arterial 5 19,998 3,311 2,221 25,530 25,535
Minor Arterial 399 77,371 11,331 9,988 98,689 99,088
Major Collector 1,666 131,411 11,234 9,148 151,794 153,460
Minor Collector 915 24,338 820 1,155 26,313 27,228
Subtotal 2,986 255,054 27,818 22,955 305,827 308,813
Federal Agency: Interstate 0 0 0 0 0.0 0.0
Other Freeways & Expressways 0 65 1 1 67 67
Other Principal Arterial 0 10 0.0 7 17 17
Minor Arterial 0 247 0 3 250 250
Major Collector 2 177 9 3 189 192
Minor Collector 29 87 0.0 0.0 87 116
Subtotal 32 586 10 14 610 642
Subtotal 3,091 420,930 52,782 65,710 539,422 542,513
Local 57,729 1,373,715 1,431,444
Total Urban 60,820 1,913,137 1,973,957
Total Rural and Urban 1,961,951 1,274,838 87,924 147,294 4,676,379 6,638,330

(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 pavement; 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 1, 2020
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000