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Policy Information

Highway Statistics 2007

Public Road Length - 2007 1/ Miles by Type of Surface and Ownership/Functional System National System

October 2008
Table HM-12

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OWNERSHIP / FUNCTIONAL SYSTEM UNPAVED PAVED 2/ TOTAL
LOW TYPE INTERMEDIATE TYPE HIGH TYPE TOTAL
FLEXIBLE COMPOSITE RIGID
Rural:
State Highway Agency: 3/
Principal Arterial:
Interstate - 224 982 14,161 6,405 7,249 29,021 29,021
Other 151 1,053 3,965 65,050 16,780 6,949 93,797 93,948
Minor Arterial 154 3,141 10,701 96,155 17,216 2,933 130,146 130,300
Major Collector 1,392 31,639 42,608 128,174 13,812 1,465 217,698 219,090
Subtotal 1,697 36,057 58,256 303,540 54,213 18,596 470,662 472,359
Other Jurisdictions:
Principal Arterial:
Interstate - - - 505 579 207 1,291 1,291
Other - 31 49 234 67 380 761 761
Minor Arterial 174 321 1,598 2,233 199 5 4,356 4,530
Major Collector 38,656 24,634 54,512 69,457 4,087 5,820 158,510 197,166
Subtotal 38,830 24,986 56,159 72,429 4,932 6,412 164,918 203,748
Federal Agency:
Principal Arterial:
Interstate - - - - - - - -
Other - - 9 91 - 1 101 101
Minor Arterial - - 502 187 2 - 691 691
Major Collector 711 211 1,608 884 - - 2,703 3,414
Subtotal 711 211 2,119 1,162 2 1 3,495 4,206
Subtotal 41,238 61,254 116,534 377,131 59,147 25,009 639,075 680,313
Minor Collector 88,067 175,080 263,147
Local 1,232,246 815,052 2,047,298
Total Rural 1,361,551 1,629,207 2,990,758
Urban:
State Highway Agency: 3/
Principal Arterial:
Interstate - 42 124 5,762 4,476 4,821 15,225 15,225
Other Freeways And Expressways - 23 96 5,051 2,102 2,900 10,172 10,172
Other - 321 1,375 25,168 13,159 4,457 44,480 44,480
Minor Arterial - 541 3,454 21,795 7,941 1,450 35,181 35,181
Collector 4 1,963 4,623 10,267 1,603 711 19,167 19,171
Subtotal 4 2,890 9,672 68,043 29,281 14,339 124,225 124,229
Other Jurisdictions:
Principal Arterial:
Interstate - - - 323 680 171 1,174 1,174
Other Freeways And Expressways - 5 16 336 141 192 690 690
Other 15 374 3,096 11,241 2,310 1,896 18,917 18,932
Minor Arterial 508 3,554 16,092 37,330 6,715 5,284 68,975 69,483
Collector 750 7,078 27,901 44,496 6,361 4,522 90,358 91,108
Subtotal 1,273 11,011 47,105 93,726 16,207 12,065 180,114 181,387
Federal Agency:
Principal Arterial:
Interstate - - - - - - - -
Other Freeways And Expressways - - - 41 - 2 43 43
Other - - 17 18 - - 35 35
Minor Arterial - - 7 40 8 1 56 56
Collector - 9 67 31 3 - 110 110
Subtotal - 9 91 130 11 3 244 244
Subtotal 1,277 13,910 56,868 161,899 45,499 26,407 304,583 305,860
Local 48,951 701,681 750,632
Total Urban 50,228 1,006,264 1,056,492
Total Rural and Urban 1,411,779 75,164 173,402 539,030 104,646 51,416 2,635,471 4,047,250

1/ Includes the 50 States, the District of Columbia and Puerto Rico. Some differences from other tables may be noted because these are estimated from sample and summary data; samples entirely on structures are not included. Indiana excludes 788 miles of Federal agency owned roads. Minnesota excludes 437 miles of local government ownd roads.

2/ Paved includes the following categories: Low type— an earth, gravel, or stone roadway which has a bituminous surface course less than 1" thick suitable for occasional heavy loads; Intermediate Type— a mixed bituminous or bituminous penetration roadway on a flexible base having a combined surface and base thickness of less than 7"; High-Type Flexible— a mixed bituminous or bituminous penetration roadway on a flexible base having a combined surface and base thickness of 7" or more; also includes brick, block, or combination roadways; High-Type Composite— a mixed bituminous or bituminous penetration roadway of more than 1" compacted material on a rigid base with a combined surface and base thickness of 7" or more; High-Type Rigid— a Portland Cement Concrete roadway with or without a bituminous wearing surface of less than 1".

3/ Prior to 1999 included other state agency roads.

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Updated: 01/03/2012

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