Table HM-12 - Highway Statistics 2020 - Policy | Federal Highway Administration

Highway Statistics 2020

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PUBLIC ROAD LENGTH - 2020 (1)
MILES BY TYPE OF SURFACE AND OWNERSHIP/
FUNCTIONAL SYSTEM NATIONAL SUMMARY

October 26, 2021

**Table HM-12**
OWNERSHIP/ FUNCTIONAL SYSTEM		UNPAVED	PAVED (2)				TOTAL
OWNERSHIP/ FUNCTIONAL SYSTEM		UNPAVED	BITUMINOUS	CONCRETE	COMPOSITE	TOTAL	TOTAL
Rural:
State Highway Agency: (3)	Interstate	10	17,037	5,421	5,356	27,814	27,825
	Other Freeways & Expressways	0	3,235	1,694	1,414	6,343	6,343
	Other Principal Arterial	315	71,325	5,256	12,464	89,046	89,360
	Minor Arterial	98	104,535	1,743	15,539	121,817	121,916
	Major Collector	1,632	201,950	812	8,339	211,101	212,733
	Subtotal	2,055	398,082	14,928	43,112	456,122	458,177
Other Jurisdictions:	Interstate	-	764	127	253	1,143	1,143
	Other Freeways & Expressways	-	65	126	-	190	190
	Other Principal Arterial	15	599	223	5	827	842
	Minor Arterial	336	7,547	11	342	7,900	8,236
	Major Collector	25,070	120,726	6,420	6,909	134,055	159,125
	Subtotal	25,420	129,701	6,907	7,508	144,116	169,537
Federal Agency:	Interstate	-	-	-	-	0	0
	Other Freeways & Expressways	-	-	-	-	0	0
	Other Principal Arterial	-	42	1	-	44	44
	Minor Arterial	-	1,233	0	-	1,234	1,234
	Major Collector	318	1,534	-	74	1,609	1,926
	Subtotal	318	2,810	2	74	2,886	3,203
Subtotal		27,793	530,594	21,836	50,694	603,124	630,917
Minor Collector		76,368				180,382	256,750
Local		1,077,147				933,493	2,010,640
Total Rural		1,181,308				1,716,999	2,898,307
Urban:
State Highway Agency: (3)	Interstate	-	8,135	5,156	4,259	17,550	17,550
	Other Freeways & Expressways	-	5,650	2,936	2,094	10,681	10,681
	Other Principal Arterial	1	34,663	4,402	10,738	49,802	49,803
	Minor Arterial	16	30,051	1,125	6,876	38,052	38,068
	Major Collector	15	22,049	1,855	2,291	26,194	26,210
	Minor Collector	14	2,159	31	300	2,490	2,504
	Subtotal	46	102,707	15,506	26,558	144,770	144,816
Other Jurisdictions:	Interstate	-	679	178	243	1,100	1,100
	Other Freeways & Expressways	-	524	520	31	1,076	1,076
	Other Principal Arterial	3	12,426	2,057	1,380	15,864	15,867
	Minor Arterial	248	48,076	7,041	6,206	61,323	61,570
	Major Collector	1,035	81,655	6,981	5,685	94,320	95,356
	Minor Collector	569	15,123	509	718	16,350	16,919
	Subtotal	1,855	158,483	17,286	14,263	190,032	191,887
Federal Agency:	Interstate	-	-	-	-	-	-
	Other Freeways & Expressways	-	41	0	1	42	42
	Other Principal Arterial	-	6	-	4	11	11
	Minor Arterial	-	153	0	2	155	155
	Major Collector	2	110	6	2	118	119
	Minor Collector	18	54	-	-	54	72
	Subtotal	20	364	6	9	379	399
Subtotal		1,921	261,554	32,797	40,830	335,181	337,102
Local		35,871				853,587	889,458
Total Urban		37,792				1,188,768	1,226,560
Total Rural and Urban		1,219,100	792,147	54,633	91,525	2,905,767	4,124,867

(1) Includes the 50 States, Puerto Rico (data may be incomplete), and the District of Columbia. Some differences from other tables may be noted because these are estimated from sample and summary data; some States may have missing/incomplete data.

(2) Paved includes the following categories: Bituminous -- bituminous, asphalt-concrete (AC) overlay over existing AC pavement; Concrete -- JPCP jointed plain concrete pavement, JRCP jointed reinforced concrete pavement, CRCP continuously reinforced concrete pavement; unbonded jointed concrete overlay on PCC pavement, bonded PCC overlay on PCC pavement, other (includes "whitetopping"); Composite -- AC overlay over jointed concrete pavement, AC (bituminous overlay over existing CRCP).

(3) Prior to 1999 included other state agency roads.

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Page last modified on December 10, 2021

Highway Statistics 2020

PUBLIC ROAD LENGTH - 2020 (1) MILES BY TYPE OF SURFACE AND OWNERSHIP/ FUNCTIONAL SYSTEM NATIONAL SUMMARY

PUBLIC ROAD LENGTH - 2020 (1)
MILES BY TYPE OF SURFACE AND OWNERSHIP/
FUNCTIONAL SYSTEM NATIONAL SUMMARY