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FHWA Home / Policy & Governmental Affairs / Highway Policy Information / Highway Statistics Series / 2022 / Table HM-18 - Highway Statistics 2022

Highway Statistics Series

Highway Statistics 2022


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PUBLIC ROAD LENGTH - 2021 (1)
  MILES BY FUNCTIONAL SYSTEM AND FEDERAL-AID HIGHWAYS
  NATIONAL SUMMARY

January 26, 2024
Table HM-18

Table HM-18
FUNCTIONAL SYSTEM FEDERAL-AID HIGHWAYS NON-
FEDERAL-AID
HIGHWAYS		 TOTAL
NATIONAL HIGHWAY SYSTEM OTHER TOTAL
INTERSTATE OTHER TOTAL
Rural:
Principal Arterial:
Interstate 29,436 - 29,436 - 29,436 - 29,436
Other Freeways and Expressways - 6,559 6,559 31 6,590 - 6,590
Other - 88,675 88,675 3,215 91,890 - 91,890
Subtotal 29,436 95,235 124,671 3,246 127,917 - 127,917
Minor Arterial - 2,590 2,590 131,784 134,374 - 134,374
Major Collector - 511 511 407,900 408,411 - 408,411
Minor Collector - 3 3 - 3 259,992 259,995
Local - 44 44 - 44 2,018,621 2,018,665
Total Rural 29,436 98,382 127,818 542,930 670,748 2,278,612 2,949,361
Small Urban:
Principal Arterial:
Interstate 2,821 - 2,821 - 2,821 - 2,821
Other Freeways and Expressways - 1,412 1,412 44 1,456 - 1,456
Other - 11,608 11,608 1,739 13,347 - 13,347
Subtotal 2,821 13,020 15,841 1,783 17,624 - 17,624
Minor Arterial - 397 397 20,467 20,863 - 20,863
Major Collector - 45 45 28,385 28,430 - 28,430
Minor Collector - 9 9 5,522 5,531 - 5,531
Local - 15 15 - 15 157,143 157,158
Total Small Urban 2,821 13,485 16,306 56,157 72,464 157,143 229,607
Urbanized:
Principal Arterial:
Interstate 16,632 - 16,632 - 16,632 - 16,632
Other Freeways and Expressways - 10,651 10,651 162 10,813 - 10,813
Other - 47,817 47,817 5,228 53,045 - 53,045
Subtotal 16,632 58,467 75,100 5,390 80,490 - 80,490
Minor Arterial - 1,500 1,500 90,730 92,230 - 92,230
Major Collector - 398 398 103,364 103,763 - 103,763
Minor Collector - 34 34 16,782 16,816 - 16,816
Local - 126 126 - 126 745,031 745,157
Total Urbanized 16,632 60,525 77,158 216,267 293,424 745,031 1,038,455
Total Urban:
Principal Arterial:
Interstate 19,454 - 19,454 - 19,454 - 19,454
Other Freeways And Expressways - 12,062 12,062 206 12,269 - 12,269
Other - 59,425 59,425 6,967 66,392 - 66,392
Subtotal 19,454 71,487 90,941 7,173 98,114 - 98,114
Minor Arterial - 1,896 1,896 111,197 113,094 - 113,094
Major Collector - 443 443 131,750 132,193 - 132,193
Minor Collector - 43 43 22,304 22,347 - 22,347
Local - 141 141 - 141 902,174 902,315
Total Urban 19,454 74,010 93,464 272,424 365,888 902,174 1,268,062
Total Rural and Urban 48,890 172,392 221,282 815,354 1,036,636 3,180,787 4,217,423

(1) Includes the 50 States, Puerto Rico, and the District of Columbia.

 

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