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Policy Information

Highway Statistics 2007

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

October 2008
Table HM-12M

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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 - 360 1,580 22,790 10,308 11,666 46,705 46,705
Other 243 1,695 6,381 104,688 27,005 11,183 150,952 151,195
Minor Arterial 248 5,055 17,222 154,746 27,706 4,720 209,450 209,698
Major Collector 2,240 50,918 68,571 206,276 22,228 2,358 350,351 352,591
Subtotal 2,731 58,028 93,754 488,500 87,247 29,927 757,457 760,188
Other Jurisdictions:
Principal Arterial:
Interstate - - - 813 932 333 2,078 2,078
Other - 50 79 377 108 612 1,225 1,225
Minor Arterial 280 517 2,572 3,594 320 8 7,010 7,290
Major Collector 62,211 39,645 87,729 111,780 6,577 9,366 255,097 317,308
Subtotal 62,491 40,211 90,379 116,563 7,937 10,319 265,410 327,901
Federal Agency:
Principal Arterial:
Interstate - - - - - - - -
Other - - 14 146 - 2 163 163
Minor Arterial - - 808 301 3 - 1,112 1,112
Major Collector 1,144 340 2,588 1,423 - - 4,350 5,494
Subtotal 1,144 340 3,410 1,870 3 2 5,625 6,769
Subtotal 66,366 98,579 187,543 606,934 95,188 40,248 1,028,492 1,094,858
Minor Collector 141,730 281,764 423,494
Local 1,983,108 1,311,699 3,294,807
Total Rural 2,191,204 2,621,955 4,813,158
Urban:
State Highway Agency: 3/
Principal Arterial:
Interstate - 68 200 9,273 7,203 7,759 24,502 24,502
Other Freeways And Expressways - 37 154 8,129 3,383 4,667 16,370 16,370
Other - 517 2,213 40,504 21,177 7,173 71,584 71,584
Minor Arterial - 871 5,559 35,076 12,780 2,334 56,618 56,618
Collector 6 3,159 7,440 16,523 2,580 1,144 30,846 30,853
Subtotal 6 4,651 15,566 109,505 47,123 23,076 199,921 199,927
Other Jurisdictions:
Principal Arterial:
Interstate - - - 520 1,094 275 1,889 1,889
Other Freeways And Expressways - 8 26 541 227 309 1,110 1,110
Other 24 602 4,983 18,091 3,718 3,051 30,444 30,468
Minor Arterial 818 5,720 25,898 60,077 10,807 8,504 111,005 111,822
Collector 1,207 11,391 44,902 71,609 10,237 7,277 145,417 146,624
Subtotal 2,049 17,720 75,808 150,837 26,083 19,417 289,865 291,914
Federal Agency:
Principal Arterial:
Interstate - - - - - - - -
Other Freeways And Expressways - - - 66 - 3 69 69
Other - - 27 29 - - 56 56
Minor Arterial - - 11 64 13 2 90 90
Collector - 14 108 50 5 - 177 177
Subtotal - 14 146 209 18 5 393 393
Subtotal 2,055 22,386 91,520 260,551 73,224 42,498 490,179 492,234
Local 78,779 1,129,246 1,208,025
Total Urban 80,834 1,619,425 1,700,259
Total Rural and Urban 2,272,038 120,965 279,063 867,485 168,411 82,746 4,241,379 6,513,418

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. Due to conversion from English to metric units and to rounding, individual cell values may not agree with corresponding mileage table cell values. Indiana excludes 1,268 kilometres of Federal agency owned roads. Minnesota excludes 703 kilometers of local government owned 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 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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