Office of Highway Policy Information - Policy | Federal Highway Administration

October 2009
Table HM-18M

FUNCTIONAL SYSTEM	FEDERAL-AID HIGHWAYS					NON- FEDERAL-AID HIGHWAYS	TOTAL
	NATIONAL HIGHWAY SYSTEM			OTHER	TOTAL
	INTERSTATE	OTHER	TOTAL	OTHER	TOTAL
Rural:
Principal Arterial:
Interstate	48,646	-	48,646	-	48,646	-	48,646
Other	-	127,344	127,344	25,547	152,891	-	152,891
Subtotal	48,646	127,344	175,990	25,547	201,537	-	201,537
Minor Arterial	-	3,600	3,600	214,075	217,675	-	217,675
Major Collector	-	1,078	1,078	672,392	673,470	-	673,470
Minor Collector	-	31	31	-	31	422,989	423,019
Subtotal	-	4,709	4,709	886,467	891,176	422,989	1,314,165
Local	-	40	40	-	40	3,280,633	3,280,673
Total - Rural	48,646	132,093	180,739	912,014	1,092,753	3,703,622	4,796,375
Small Urban:
Principal Arterial:
Interstate	3,764	-	3,764	-	3,764	-	3,764
Other Freeways and Expressways	-	1,827	1,827	253	2,079	-	2,079
Other	-	10,046	10,046	12,744	22,790	-	22,790
Subtotal	3,764	11,872	15,636	12,997	28,633	-	28,633
Minor Arterial	-	409	409	34,837	35,246	-	35,246
Collector	-	87	87	42,047	42,134	-	42,134
Local	-	16	16	-	16	220,446	220,462
Total - Small Urban	3,764	12,384	16,148	89,882	106,030	220,446	326,476
Urbanized:
Principal Arterial:
Interstate	23,247	-	23,247	2	23,249	-	23,249
Other Freeways and Expressways	-	14,136	14,136	2,131	16,267	-	16,267
Other	-	27,443	27,443	54,290	81,732	-	81,732
Subtotal	23,247	41,579	64,826	56,422	121,248	-	121,248
Minor Arterial	-	1,708	1,708	135,531	137,238	-	137,238
Collector	-	496	496	142,583	143,079	-	143,079
Local	-	169	169	-	169	1,008,288	1,008,457
Total - Urbanized	23,247	43,951	67,198	334,536	401,734	1,008,288	1,410,022
Total Urban:
Principal Arterial:
Interstate	27,011	-	27,011	2	27,013	-	27,013
Other Freeways And Expressways	-	15,963	15,963	2,383	18,347	-	18,347
Other	-	37,488	37,488	67,034	104,522	-	104,522
Subtotal	27,011	53,451	80,462	69,419	149,881	-	149,881
Minor Arterial	-	2,116	2,116	170,368	172,485	-	172,485
Collector	-	583	583	184,630	185,213	-	185,213
Local	-	185	185	-	185	1,228,734	1,228,919
Total - Urban	27,011	56,335	83,346	424,418	507,764	1,228,734	1,736,498
Total - Rural and Urban	75,657	188,428	264,085	1,336,431	1,600,517	4,932,356	6,532,873

1/Includes the 50 States, the District of Columbia and Puerto Rico. 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 kilometers of Federal agency owned roads.