Office of Highway Policy Information - Policy | Federal Highway Administration

October 2009
Table HM-12

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OWNERSHIP / FUNCTIONAL SYSTEM	UNPAVED	PAVED 2/						TOTAL
		LOW TYPE	INTERMEDIATE TYPE	HIGH TYPE			TOTAL
		LOW TYPE	INTERMEDIATE TYPE	FLEXIBLE	COMPOSITE	RIGID	TOTAL
Rural:
State Highway Agency: 3/
Principal Arterial:
Interstate	-	249	1,037	14,114	6,343	7,166	28,909	28,909
Other	151	1,223	4,125	65,340	16,444	6,851	93,983	94,134
Minor Arterial	156	3,279	10,693	95,681	17,129	2,851	129,633	129,789
Major Collector	1,377	31,436	44,584	128,049	14,001	1,642	219,712	221,089
Subtotal	1,684	36,187	60,439	303,184	53,917	18,510	472,237	473,921
Other Jurisdictions:
Principal Arterial:
Interstate	-	-	-	480	578	165	1,223	1,223
Other	-	22	47	272	38	330	709	709
Minor Arterial	181	475	1,822	2,098	229	7	4,631	4,812
Major Collector	35,700	25,346	53,357	70,021	4,155	5,721	158,600	194,300
Subtotal	35,881	25,843	55,226	72,871	5,000	6,223	165,163	201,044
Federal Agency:
Principal Arterial:
Interstate	-	-	-	-	-	-	-	-
Other	-	-	59	92	-	1	152	152
Minor Arterial	-	-	413	217	2	-	632	632
Major Collector	735	172	1,398	761	-	-	2,331	3,066
Subtotal	735	172	1,870	1,070	2	1	3,115	3,850
Subtotal	38,300	62,202	117,535	377,125	58,919	24,734	640,515	678,815
Minor Collector	83,227						179,622	262,849
Local	1,157,311						881,206	2,038,517
Total Rural	1,278,838						1,701,343	2,980,181
Urban:
State Highway Agency: 3/
Principal Arterial:
Interstate	-	56	144	5,849	4,518	4,902	15,469	15,469
Other Freeways And Expressways	-	34	92	5,173	2,247	3,044	10,590	10,590
Other	-	329	1,456	25,409	13,669	4,763	45,626	45,626
Minor Arterial	-	570	3,555	21,726	8,118	1,634	35,603	35,603
Collector	5	2,617	4,735	10,807	1,795	913	20,867	20,872
Subtotal	5	3,606	9,982	68,964	30,347	15,256	128,155	128,160
Other Jurisdictions:
Principal Arterial:
Interstate	-	-	-	339	673	171	1,183	1,183
Other Freeways And Expressways	-	26	19	346	132	181	704	704
Other	13	565	4,041	10,595	2,040	1,837	19,078	19,091
Minor Arterial	510	4,221	16,730	37,653	7,060	5,113	70,777	71,287
Collector	1,104	7,945	28,935	44,558	6,525	4,783	92,746	93,850
Subtotal	1,627	12,757	49,725	93,491	16,430	12,085	184,488	186,115
Federal Agency:
Principal Arterial:
Interstate	-	-	-	-	-	-	-	-
Other Freeways And Expressways	-	-	-	32	-	2	34	34
Other	-	-	23	23	-	-	46	46
Minor Arterial	-	-	6	41	8	1	56	56
Collector	-	9	59	72	2	-	142	142
Subtotal	-	9	88	168	10	3	278	278
Subtotal	1,632	16,372	59,795	162,623	46,787	27,344	312,921	314,553
Local	43,775						719,838	763,613
Total Urban	45,407						1,032,759	1,078,166
Total Rural and Urban	1,324,245	78,574	177,330	539,748	105,706	52,078	2,734,102	4,058,347

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.

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.