
Highway Statistics 2000	OHPI > Highway Statistics > 2000 > Roadway Extent > Table HM-42

NATIONAL HIGHWAY SYSTEM LENGTH - 2000 MILES BY VOLUME - SERVICE FLOW RATIO - RURAL 1/

OCTOBER 2001

TABLE HM-42
SHEET 1 OF 2

STATE	VOLUME-SERVICE FLOW RATIO (V/SF)
	INTERSTATE SYSTEM							OTHER							TOTAL
	< 0.21	0.21-0.40	0.41-0.70	0.71-0.79	0.80-0.95	> 0.95	TOTAL	< 0.21	0.21-0.40	0.41-0.70	0.71-0.79	0.80-0.95	> 0.95	TOTAL	< 0.21	0.21-0.40	0.41-0.70	0.71-0.79	0.80-0.95	> 0.95	TOTAL
Alabama	7	197	353	15	16	11	599	846	847	274	46	11	-	2,024	853	1,044	627	61	27	11	2,623
Alaska	667	248	83	5	12	14	1,029	765	186	4	-	-	-	955	1,432	434	87	5	12	14	1,984
Arizona	174	443	359	14	4	3	997	289	514	229	45	16	44	1,137	463	957	588	59	20	47	2,134
Arkansas	-	234	215	12	4	1	466	521	678	446	6	109	13	1,773	521	912	661	18	113	14	2,239
California	196	409	578	64	89	21	1,357	746	1,312	1,246	90	115	164	3,673	942	1,721	1,824	154	204	185	5,030
Colorado	355	199	131	22	56	5	768	294	845	414	37	99	140	1,829	649	1,044	545	59	155	145	2,597
Connecticut	-	35	48	2	16	-	101	39	65	94	12	38	4	252	39	100	142	14	54	4	353
Delaware	-	-	-	-	-	-	-	14	52	131	4	4	-	205	14	52	131	4	4	-	205
Dist. of Columbia	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Florida	5	401	439	42	59	6	952	486	900	304	68	-	-	1,758	491	1,301	743	110	59	6	2,710
Georgia	161	355	268	19	3	-	806	1,771	522	206	8	1	-	2,508	1,932	877	474	27	4	-	3,314
Hawaii	-	-	6	-	-	-	6	-	45	58	7	43	9	162	-	45	64	7	43	9	168
Idaho	269	231	24	-	-	2	526	530	739	321	30	12	21	1,653	799	970	345	30	12	23	2,179
Illinois	381	834	261	9	20	7	1,512	1,134	700	2	-	6	1	1,843	1,515	1,534	263	9	26	8	3,355
Indiana	124	576	151	-	1	-	852	253	652	329	37	12	3	1,286	377	1,228	480	37	13	3	2,138
Iowa	122	280	198	33	1	1	635	1,126	769	141	-	-	-	2,036	1,248	1,049	339	33	1	1	2,671
Kansas	212	437	44	-	-	-	693	1,859	646	128	10	13	-	2,656	2,071	1,083	172	10	13	-	3,349
Kentucky	-	142	242	86	57	6	533	820	513	242	60	47	35	1,717	820	655	484	146	104	41	2,250
Louisiana	122	168	266	1	1	-	558	393	499	276	-	8	10	1,186	515	667	542	1	9	10	1,744
Maine	127	72	88	1	9	16	313	212	345	167	56	7	1	788	339	417	255	57	16	17	1,101
Maryland	6	57	103	24	25	15	230	45	188	243	22	45	15	558	51	245	346	46	70	30	788
Massachusetts	10	51	63	6	28	5	163	63	118	111	27	4	-	323	73	169	174	33	32	5	486
Michigan	89	354	263	22	12	-	740	661	993	477	97	45	20	2,293	750	1,347	740	119	57	20	3,033
Minnesota	232	148	228	18	3	52	681	645	1,187	591	97	38	23	2,581	877	1,335	819	115	41	75	3,262
Mississippi	156	295	98	6	2	-	557	982	532	136	-	1	-	1,651	1,138	827	234	6	3	-	2,208
Missouri	10	199	469	34	58	37	807	502	1,435	542	25	42	28	2,574	512	1,634	1,011	59	100	65	3,381
Montana	984	151	-	-	-	-	1,135	2,079	433	87	7	-	-	2,606	3,063	584	87	7	-	-	3,741
Nebraska	104	262	67	4	-	-	437	1,755	469	20	-	4	-	2,248	1,859	731	87	4	4	-	2,685
Nevada	356	82	11	3	28	-	480	1,078	272	55	11	4	17	1,437	1,434	354	66	14	32	17	1,917
New Hampshire	27	51	73	7	4	15	177	25	146	210	25	28	24	458	52	197	283	32	32	39	635
New Jersey	4	21	48	22	12	12	119	46	115	204	49	22	95	531	50	136	252	71	34	107	650
New Mexico	389	355	130	11	1	7	893	825	738	165	21	-	7	1,756	1,214	1,093	295	32	1	14	2,649
New York	173	311	351	17	83	5	940	567	768	329	62	44	53	1,823	740	1,079	680	79	127	58	2,763
North Carolina	-	184	322	70	53	20	649	573	883	624	29	88	26	2,223	573	1,067	946	99	141	46	2,872
North Dakota	524	7	-	-	-	-	531	2,030	58	-	-	-	-	2,088	2,554	65	-	-	-	-	2,619
Ohio	2	146	548	82	37	14	829	561	839	354	20	37	38	1,849	563	985	902	102	74	52	2,678
Oklahoma	496	200	25	-	-	-	721	1,573	479	59	-	-	-	2,111	2,069	679	84	-	-	-	2,832
Oregon	180	241	144	12	2	-	579	901	924	593	69	102	86	2,675	1,081	1,165	737	81	104	86	3,254
Pennsylvania	103	737	303	24	40	-	1,207	677	1,026	454	18	37	38	2,250	780	1,763	757	42	77	38	3,457
Rhode Island	-	-	5	13	-	1	19	40	12	12	-	-	1	65	40	12	17	13	-	2	84
South Carolina	-	58	430	61	97	22	668	354	620	276	7	10	16	1,283	354	678	706	68	107	38	1,951
South Dakota	383	233	13	-	-	-	629	1,780	365	40	8	-	-	2,193	2,163	598	53	8	-	-	2,822
Tennessee	50	325	321	2	28	10	736	636	527	284	4	6	43	1,500	686	852	605	6	34	53	2,236
Texas	952	654	501	55	31	19	2,212	3,658	1,975	597	106	72	110	6,518	4,610	2,629	1,098	161	103	129	8,730
Utah	454	281	34	1	-	-	770	356	320	267	3	20	44	1,010	810	601	301	4	20	44	1,780
Vermont	96	100	84	-	-	-	280	46	123	136	7	7	-	319	142	223	220	7	7	-	599
Virginia	10	139	401	83	42	50	725	565	721	124	15	-	42	1,467	575	860	525	98	42	92	2,192
Washington	185	191	91	23	8	4	502	982	879	171	46	6	11	2,095	1,167	1,070	262	69	14	15	2,597
West Virginia	79	224	152	-	-	-	455	674	330	43	19	8	-	1,074	753	554	195	19	8	-	1,529
Wisconsin	-	108	408	20	36	6	578	666	1,403	549	19	21	2	2,660	666	1,511	957	39	57	8	3,238
Wyoming	590	223	13	-	-	-	826	1,442	416	94	1	1	3	1,957	2,032	639	107	1	1	3	2,783
U.S. Total	9,566	11,649	9,453	945	978	387	32,978	38,885	30,123	12,859	1,330	1,233	1,187	85,617	48,451	41,772	22,312	2,275	2,211	1,574	118,595
Puerto Rico	5	22	56	1	15	2	101	25	22	2	-	-	-	49	30	44	58	1	15	2	150
Grand Total	9,571	11,671	9,509	946	993	389	33,079	38,910	30,145	12,861	1,330	1,233	1,187	85,666	48,481	41,816	22,370	2,276	2,226	1,576	118,745

OCTOBER 2001

TABLE HM-42
SHEET 2 OF 2

STATE	VOLUME-SERVICE FLOW RATIO (V/SF)
	INTERSTATE SYSTEM							OTHER							TOTAL
	< 0.21	0.21-0.40	0.41-0.70	0.71-0.79	0.80-0.95	> 0.95	TOTAL	< 0.21	0.21-0.40	0.41-0.70	0.71-0.79	0.80-0.95	> 0.95	TOTAL	< 0.21	0.21-0.40	0.41-0.70	0.71-0.79	0.80-0.95	> 0.95	TOTAL
Alabama	-	74	150	31	29	21	305	93	284	214	51	35	36	713	93	358	364	82	64	57	1,018
Alaska	1	24	18	5	3	2	53	10	26	15	6	5	10	72	11	50	33	11	8	12	125
Arizona	2	53	67	11	19	19	171	43	156	115	41	21	12	388	45	209	182	52	40	31	559
Arkansas	3	67	88	6	15	10	189	65	71	55	19	13	6	229	68	138	143	25	28	16	418
California	10	41	260	101	321	363	1,096	61	203	508	108	262	351	1,493	71	244	768	209	583	714	2,589
Colorado	41	44	38	15	24	21	183	53	189	206	63	61	35	607	94	233	244	78	85	56	790
Connecticut	-	17	92	54	47	36	246	18	74	154	27	47	43	363	18	91	246	81	94	79	609
Delaware	-	1	28	3	5	4	41	2	8	50	2	3	1	66	2	9	78	5	8	5	107
Dist. of Columbia	-	1	3	1	7	1	13	-	10	26	8	12	10	66	-	11	29	9	19	11	79
Florida	-	48	208	49	68	144	517	69	345	437	80	70	96	1,097	69	393	645	129	138	240	1,614
Georgia	24	120	209	47	29	7	436	217	291	239	16	44	2	809	241	411	448	63	73	9	1,245
Hawaii	3	14	18	4	8	1	48	3	43	57	8	13	2	126	6	57	75	12	21	3	174
Idaho	5	32	29	6	9	4	85	17	37	33	3	3	2	95	22	69	62	9	12	6	180
Illinois	17	164	243	79	96	42	641	151	414	605	119	171	209	1,669	168	578	848	198	267	251	2,310
Indiana	7	125	134	15	9	26	316	30	123	86	56	42	38	375	37	248	220	71	51	64	691
Iowa	4	41	81	5	8	7	146	228	90	20	-	-	4	342	232	131	101	5	8	11	488
Kansas	16	57	70	7	21	7	178	51	100	64	9	5	8	237	67	157	134	16	26	15	415
Kentucky	-	27	119	17	39	26	228	32	95	142	26	45	49	389	32	122	261	43	84	75	617
Louisiana	20	49	93	16	36	18	232	36	108	115	55	20	133	467	56	157	208	71	56	151	699
Maine	7	23	14	4	3	2	53	7	67	43	2	6	11	136	14	90	57	6	9	13	189
Maryland	4	10	63	37	81	57	252	14	60	192	39	45	44	394	18	70	255	76	126	101	646
Massachusetts	4	75	158	47	71	49	404	33	230	370	119	117	173	1,042	37	305	528	166	188	222	1,446
Michigan	10	69	222	58	111	29	499	104	236	517	107	131	78	1,173	114	305	739	165	242	107	1,672
Minnesota	5	14	47	29	69	67	231	50	113	114	42	56	96	471	55	127	161	71	125	163	702
Mississippi	6	31	59	7	19	6	128	38	93	79	16	19	11	256	44	124	138	23	38	17	384
Missouri	16	43	128	39	96	50	372	81	132	261	60	35	35	604	97	175	389	99	131	85	976
Montana	33	24	-	-	-	-	57	14	24	18	4	2	1	63	47	48	18	4	2	1	120
Nebraska	2	11	22	1	8	-	44	41	42	114	9	11	20	237	43	53	136	10	19	20	281
Nevada	12	9	20	9	26	4	80	6	36	27	24	11	9	113	18	45	47	33	37	13	193
New Hampshire	-	2	27	2	6	10	47	6	24	56	4	13	11	114	6	26	83	6	19	21	161
New Jersey	2	50	105	43	49	52	301	43	153	357	96	160	273	1,082	45	203	462	139	209	325	1,383
New Mexico	26	45	23	5	7	2	108	77	58	27	3	11	2	178	103	103	50	8	18	4	286
New York	33	163	259	49	99	112	715	144	313	577	112	167	302	1,615	177	476	836	161	266	414	2,330
North Carolina	10	17	165	50	74	60	376	39	124	199	39	52	28	481	49	141	364	89	126	88	857
North Dakota	23	11	6	-	-	-	40	26	25	11	-	-	-	62	49	36	17	-	-	-	102
Ohio	4	38	285	154	143	115	739	70	348	320	57	49	69	913	74	386	605	211	192	184	1,652
Oklahoma	58	113	37	-	-	-	208	170	59	47	1	-	-	277	228	172	84	1	-	-	485
Oregon	14	25	33	19	28	21	140	35	78	111	43	53	24	344	49	103	144	62	81	45	484
Pennsylvania	14	127	249	62	62	36	550	98	408	565	103	148	91	1,413	112	535	814	165	210	127	1,963
Rhode Island	-	6	16	2	11	14	49	9	27	52	8	18	11	125	9	33	68	10	29	25	174
South Carolina	1	4	73	10	57	13	158	31	106	162	36	52	84	471	32	110	235	46	109	97	629
South Dakota	11	27	11	-	-	-	49	21	20	17	1	-	1	60	32	47	28	1	-	1	109
Tennessee	5	47	115	57	51	63	338	56	206	246	51	24	55	638	61	253	361	108	75	118	976
Texas	53	187	283	138	186	174	1,021	517	811	1,293	227	303	527	3,678	570	998	1,576	365	489	701	4,699
Utah	25	24	92	17	7	2	167	9	88	86	16	12	11	222	34	112	178	33	19	13	389
Vermont	6	17	15	2	-	-	40	7	16	15	6	4	6	54	13	33	30	8	4	6	94
Virginia	1	52	167	39	52	74	385	71	234	319	21	51	128	824	72	286	486	60	103	202	1,209
Washington	15	44	156	36	12	-	263	82	149	211	44	56	40	582	97	193	367	80	68	40	845
West Virginia	5	64	23	1	-	-	93	15	48	26	9	12	7	117	20	112	49	10	12	7	210
Wisconsin	-	40	68	18	9	24	159	91	258	234	37	61	80	761	91	298	302	55	70	104	920
Wyoming	71	16	1	-	-	-	88	45	24	8	-	1	-	78	116	40	9	-	1	-	166
U.S. Total	629	2,427	4,890	1,407	2,130	1,795	13,278	3,229	7,277	9,815	2,033	2,552	3,275	28,181	3,858	9,704	14,705	3,440	4,682	5,070	41,459
Puerto Rico	1	21	74	12	11	27	146	7	15	39	12	9	12	94	8	36	113	24	20	39	240
Grand Total	630	2,448	4,964	1,419	2,141	1,822	13,424	3,236	7,292	9,854	2,045	2,561	3,287	28,275	3,866	9,740	14,818	3,464	4,702	5,109	41,699

1/ Capacity (service flow) calculation procedures are based on the Highway Capacity Manual, Third Edition, 1998, published by the Transportation Research Board. Some differences from other tables may be noted because these are estimated from sample data and do not include samples entirely on structures.

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