Office of Highway Policy Information - Policy | Federal Highway Administration

October 2009
Table HM-12M

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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	-	401	1,669	22,714	10,208	11,533	46,525	46,525
Other	243	1,968	6,639	105,155	26,464	11,026	151,251	151,494
Minor Arterial	251	5,277	17,209	153,984	27,566	4,588	208,624	208,875
Major Collector	2,216	50,591	71,751	206,075	22,532	2,643	353,592	355,808
Subtotal	2,710	58,237	97,267	487,927	86,771	29,789	759,992	762,702
Other Jurisdictions:
Principal Arterial:
Interstate	-	-	-	772	930	266	1,968	1,968
Other	-	35	76	438	61	531	1,141	1,141
Minor Arterial	291	764	2,932	3,376	369	11	7,453	7,744
Major Collector	57,454	40,790	85,870	112,688	6,687	9,207	255,242	312,696
Subtotal	57,745	41,590	88,878	117,275	8,047	10,015	265,804	323,549
Federal Agency:
Principal Arterial:
Interstate	-	-	-	-	-	-	-	-
Other	-	-	95	148	-	2	245	245
Minor Arterial	-	-	665	349	3	-	1,017	1,017
Major Collector	1,183	277	2,250	1,225	-	-	3,751	4,934
Subtotal	1,183	277	3,009	1,722	3	2	5,013	6,196
Subtotal	61,638	100,104	189,154	606,924	94,821	39,806	1,030,809	1,092,447
Minor Collector	133,941						289,074	423,014
Local	1,862,512						1,418,164	3,280,675
Total Rural	2,058,090						2,738,046	4,796,136
Urban:
State Highway Agency: 3/
Principal Arterial:
Interstate	-	90	232	9,413	7,271	7,889	24,895	24,895
Other Freeways And Expressways	-	55	148	8,325	3,616	4,899	17,043	17,043
Other	-	529	2,343	40,892	21,998	7,665	73,428	73,428
Minor Arterial	-	917	5,721	34,965	13,065	2,630	57,297	57,297
Collector	8	4,212	7,620	17,392	2,889	1,469	33,582	33,590
Subtotal	8	5,803	16,064	110,987	48,839	24,552	206,245	206,254
Other Jurisdictions:
Principal Arterial:
Interstate	-	-	-	546	1,083	275	1,904	1,904
Other Freeways And Expressways	-	42	31	557	212	291	1,133	1,133
Other	21	909	6,503	17,051	3,283	2,956	30,703	30,724
Minor Arterial	821	6,793	26,924	60,597	11,362	8,229	113,905	114,725
Collector	1,777	12,786	46,566	71,709	10,501	7,697	149,260	151,037
Subtotal	2,618	20,530	80,025	150,459	26,442	19,449	296,905	299,523
Federal Agency:
Principal Arterial:
Interstate	-	-	-	-	-	-	-	-
Other Freeways And Expressways	-	-	-	51	-	3	55	55
Other	-	-	37	37	-	-	74	74
Minor Arterial	-	-	10	66	13	2	90	90
Collector	-	14	95	116	3	-	229	229
Subtotal	-	14	142	270	16	5	447	447
Subtotal	2,626	26,348	96,231	261,716	75,296	44,006	503,598	506,224
Local	70,449						1,158,467	1,228,916
Total Urban	73,075						1,662,065	1,735,140
Total Rural and Urban	2,131,166	126,453	285,385	868,640	170,117	83,811	4,400,111	6,531,276

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.

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.