
Highway Statistics 1999	OHPI > Highway Statistics > 1999 > Roadway Extent > Table HM-64

FUNCTIONAL SYSTEM LENGTH - 1999

MILES BY MEASURED PAVEMENT ROUGHNESS - RURAL

JANUARY 2002

TABLE HM-64
SHEET 1 OF 4

STATE	INTERNATIONAL ROUGHNESS INDEX (IRI) 1/
	INTERSTATE
	NOT REPORTED 2/	< 60	60-94	95-119	120-144	145-170	171-194	195-220	> 220	TOTAL REPORTED
Alabama	0	228	260	73	33	4	3	0	0	601
Alaska	0	23	318	346	218	79	35	0	11	1,030
Arizona	0	747	204	27	12	5	1	0	0	996
Arkansas	0	0	50	45	63	99	70	22	44	393
California	0	7	613	298	240	124	40	13	27	1,362
Colorado	0	73	492	103	62	34	4	0	0	768
Connecticut	0	0	58	20	13	6	2	1	2	102
Delaware	0	0	0	0	0	0	0	0	0	0
Dist. of Columbia	0	0	0	0	0	0	0	0	0	0
Florida	22	769	70	16	49	24	3	0	0	931
Georgia	0	596	185	26	0	0	0	0	0	807
Hawaii	6	0	0	0	0	0	0	0	0	0
Idaho	0	197	221	88	9	3	4	3	1	526
Illinois	0	43	549	439	313	159	10	0	2	1,515
Indiana	0	454	341	52	5	1	0	0	0	853
Iowa	1	101	308	190	33	0	1	0	0	633
Kansas	0	201	342	108	36	6	5	0	0	698
Kentucky	0	133	250	23	95	35	0	0	0	536
Louisiana	65	0	142	149	95	105	33	6	17	547
Maine	29	15	222	34	10	2	0	0	0	283
Maryland	1	28	157	28	12	1	0	0	0	226
Massachusetts	0	0	90	65	6	0	0	0	1	162
Michigan	0	67	257	187	127	55	23	14	11	741
Minnesota	0	216	315	52	75	23	1	0	0	682
Mississippi	0	85	230	114	62	40	19	8	0	558
Missouri	0	3	178	325	188	103	9	1	1	808
Montana	0	339	516	123	99	45	7	5	0	1,134
Nebraska	0	175	107	75	51	21	9	0	0	438
Nevada	0	126	265	48	20	11	7	1	1	479
New Hampshire	0	51	95	24	6	0	0	0	0	176
New Jersey	9	1	41	41	9	11	4	3	1	111
New Mexico	0	0	89	425	278	59	17	16	8	892
New York	15	0	533	154	87	51	40	30	29	924
North Carolina	0	69	256	143	91	65	6	20	1	651
North Dakota	0	143	276	90	20	1	0	0	0	530
Ohio	0	293	421	95	15	3	2	0	0	829
Oklahoma	0	81	339	157	106	14	22	1	1	721
Oregon	1	0	205	340	35	0	0	0	0	580
Pennsylvania	1	127	733	211	74	31	12	11	8	1,207
Rhode Island	0	0	18	3	0	0	0	0	0	21
South Carolina	0	275	295	80	14	1	6	0	0	671
South Dakota	2	2	262	202	50	99	12	0	0	627
Tennessee	0	119	539	58	13	5	0	0	0	734
Texas	0	407	1,378	284	103	38	1	0	0	2,211
Utah	0	166	368	120	51	54	9	2	0	770
Vermont	0	0	200	29	34	9	2	5	2	281
Virginia	0	18	586	108	10	2	1	0	0	725
Washington	0	211	218	51	19	0	2	0	0	501
West Virginia	0	33	259	57	46	35	8	9	8	455
Wisconsin	1	66	235	149	71	41	5	1	0	568
Wyoming	0	384	352	71	14	5	0	0	0	826
U.S. Total	153	7,072	14,438	5,946	3,072	1,509	435	172	176	32,820
Puerto Rico	0	0	8	23	51	13	5	0	3	103
Grand Total	153	7,072	14,446	5,969	3,123	1,522	440	172	179	32,923

JANUARY 2002

TABLE HM-64
SHEET 2 OF 4

STATE	INTERNATIONAL ROUGHNESS INDEX (IRI) 1/
	OTHER PRINCIPAL ARTERIAL										MINOR ARTERIAL 3/
	NOT REPORTED 2/	< 60	60-94	95-119	120-144	145-170	171-194	195-220	> 220	TOTAL REPORTED	NOT REPORTED 2/	< 60	60-94	95-119	120-144	145-170	171-194	195-220	> 220	TOTAL REPORTED
Alabama	0	517	1,175	311	50	9	9	2	0	2,073	0	486	2,100	860	171	76	0	0	0	3,693
Alaska	455	7	109	39	148	33	15	3	0	354	0	0	52	17	107	12	0	37	0	225
Arizona	67	212	375	266	141	72	20	12	20	1,118	55	132	363	326	241	95	28	16	0	1,201
Arkansas	49	9	679	708	388	205	112	47	17	2,165	0	0	803	929	506	657	64	22	16	2,997
California	3	31	1,042	1,137	890	440	94	48	4	3,686	0	293	1,266	1,748	1,569	1,178	351	240	260	6,905
Colorado	0	89	861	558	346	244	76	9	16	2,199	0	443	848	1,371	286	403	162	97	72	3,682
Connecticut	0	0	54	77	76	35	16	4	1	263	0	0	3	117	260	81	19	9	8	497
Delaware	9	5	88	84	22	3	4	3	1	210	0	0	50	19	19	7	4	7	4	110
Dist. of Columbia	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Florida	71	1,681	1,489	277	126	45	25	2	1	3,646	242	834	1,208	197	65	24	23	0	6	2,357
Georgia	8	2,123	614	47	0	5	0	0	0	2,789	0	4,364	1,026	212	0	0	0	0	0	5,602
Hawaii	125	0	0	0	0	0	0	0	0	0	376	0	0	0	0	0	0	0	0	0
Idaho	0	266	668	457	203	54	15	4	2	1,669	0	238	459	350	159	67	17	0	13	1,303
Illinois	0	74	856	618	566	276	150	51	33	2,624	0	794	878	1,211	473	1,025	70	232	145	4,828
Indiana	4	335	771	305	177	82	49	2	1	1,722	0	317	893	585	195	215	20	10	1	2,236
Iowa	187	443	1,065	603	439	372	243	43	65	3,273	384	528	839	377	665	544	310	179	129	3,571
Kansas	43	710	1,737	411	153	80	26	8	2	3,127	1	1,052	2,168	794	130	85	20	23	23	4,295
Kentucky	0	320	1,143	306	218	54	9	0	1	2,051	0	1	810	377	321	61	37	0	1	1,608
Louisiana	29	17	394	241	187	144	126	76	22	1,207	0	3	405	282	448	154	101	86	96	1,575
Maine	7	57	410	169	78	43	7	11	6	781	430	0	360	60	127	23	51	19	1	641
Maryland	11	48	330	115	20	7	10	3	4	537	0	22	498	275	96	30	32	0	0	953
Massachusetts	5	0	56	139	44	40	19	4	3	305	103	0	21	180	232	73	14	15	33	568
Michigan	12	470	1,128	541	304	168	68	36	35	2,750	0	867	1,666	658	402	325	51	36	67	4,072
Minnesota	0	1,107	1,321	723	289	87	29	10	11	3,577	0	1,322	2,903	1,057	618	251	83	98	56	6,388
Mississippi	0	168	882	449	267	91	19	17	9	1,902	0	5	1,309	1,216	952	242	99	45	1	3,869
Missouri	14	21	498	861	1,011	459	159	40	43	3,092	0	0	540	1,159	622	640	325	114	46	3,446
Montana	0	259	1,359	543	226	140	63	24	9	2,623	0	228	1,398	703	416	191	50	0	0	2,986
Nebraska	0	602	862	515	333	133	158	72	38	2,713	0	993	1,546	723	226	146	205	128	245	4,212
Nevada	18	131	608	224	234	148	25	0	0	1,370	0	96	284	196	124	14	0	11	0	725
New Hampshire	0	58	257	76	22	21	18	6	5	463	0	33	238	108	68	16	11	7	6	487
New Jersey	85	0	36	109	91	121	34	7	49	447	76	0	26	159	86	95	13	0	32	411
New Mexico	5	47	575	556	311	159	56	42	50	1,796	33	70	329	414	366	142	248	64	202	1,835
New York	38	2	965	381	173	112	81	33	71	1,818	33	10	1,972	958	385	220	122	175	250	4,092
North Carolina	0	75	1,087	483	272	198	69	23	20	2,227	0	29	838	849	645	334	188	34	98	3,015
North Dakota	0	528	1,442	661	237	34	6	21	1	2,930	0	335	1,366	658	151	0	2	0	0	2,512
Ohio	0	298	1,408	350	111	30	13	3	7	2,220	0	171	1,799	570	194	21	37	25	12	2,829
Oklahoma	0	39	996	660	330	202	95	24	19	2,365	0	3	582	1,161	535	337	90	19	22	2,749
Oregon	119	32	322	1,372	808	136	41	3	1	2,715	0	22	162	587	812	351	235	43	0	2,212
Pennsylvania	2	138	983	651	370	193	87	39	21	2,482	0	79	1,865	1,242	908	564	290	52	105	5,105
Rhode Island	0	0	24	23	9	5	1	2	0	64	0	3	36	15	11	7	0	1	2	75
South Carolina	0	73	945	279	86	38	19	10	4	1,454	0	250	1,693	844	476	307	57	7	21	3,655
South Dakota	143	34	530	518	530	414	151	117	103	2,397	174	16	756	921	733	436	182	126	5	3,175
Tennessee	75	115	981	375	198	85	18	2	1	1,775	23	51	1,748	718	354	340	174	0	0	3,385
Texas	0	329	3,366	2,120	759	203	72	25	13	6,887	0	324	3,850	3,428	1,342	443	155	85	23	9,650
Utah	0	27	451	334	123	55	17	0	0	1,007	13	57	330	620	331	159	10	15	0	1,522
Vermont	0	0	77	55	71	59	25	12	17	316	0	0	268	133	78	109	44	43	59	734
Virginia	0	6	687	511	202	107	16	11	8	1,548	0	0	604	1,339	1,177	245	18	32	9	3,424
Washington	0	338	1,277	348	83	25	5	4	2	2,082	25	160	932	502	254	51	6	19	29	1,953
West Virginia	0	94	405	316	173	51	19	19	4	1,081	0	59	381	422	305	194	44	73	56	1,534
Wisconsin	0	306	1,032	790	577	307	161	107	84	3,364	0	605	1,373	1,098	795	399	254	415	46	4,985
Wyoming	3	841	942	122	35	37	0	3	3	1,983	0	145	726	306	1	74	4	0	52	1,308
U.S. Total	1,587	13,082	39,362	21,814	12,507	6,061	2,550	1,044	827	97,247	1,968	15,440	46,570	33,051	19,437	11,463	4,320	2,659	2,252	135,192
Puerto Rico	22	0	0	2	8	37	19	3	5	74	134	0	0	0	5	59	48	21	21	154
Grand Total	1,609	13,082	39,362	21,816	12,515	6,098	2,569	1,047	832	97,321	2,102	15,440	46,570	33,051	19,442	11,522	4,368	2,680	2,273	135,346

FUNCTIONAL SYSTEM LENGTH - 1999

MILES BY MEASURED PAVEMENT ROUGHNESS - URBAN

JANUARY 2002

TABLE HM-64
SHEET 3 OF 4

STATE	INTERNATIONAL ROUGHNESS INDEX (IRI) 1/
	INTERSTATE
	NOT REPORTED 2/	< 60	60-94	95-119	120-144	145-170	171-194	195-220	> 220	TOTAL REPORTED
Alabama	0	85	115	34	36	27	7	0	0	304
Alaska	0	1	31	12	2	7	1	0	0	54
Arizona	0	94	37	31	9	2	0	0	0	173
Arkansas	0	3	11	24	37	34	20	9	10	148
California	1	24	169	201	285	231	103	62	18	1,093
Colorado	0	30	80	41	21	12	1	0	0	185
Connecticut	0	1	80	88	37	19	8	5	6	244
Delaware	1	0	7	11	7	3	6	2	3	39
Dist. of Columbia	1	0	3	2	0	1	1	4	3	14
Florida	33	269	144	28	22	17	6	0	0	486
Georgia	1	307	118	8	0	1	2	0	0	436
Hawaii	49	0	0	0	0	0	0	0	0	0
Idaho	0	25	29	9	4	13	4	1	0	85
Illinois	1	40	190	199	116	61	40	3	0	649
Indiana	0	72	165	53	12	10	4	2	0	318
Iowa	0	2	48	35	30	10	19	2	0	146
Kansas	2	7	74	67	21	1	1	1	0	172
Kentucky	0	61	85	23	36	6	12	3	0	226
Louisiana	59	0	21	70	27	62	29	3	11	223
Maine	10	1	36	6	1	0	0	0	0	44
Maryland	9	5	114	71	26	9	9	5	5	244
Massachusetts	2	0	182	144	45	23	6	1	0	401
Michigan	1	20	179	108	98	44	25	13	12	499
Minnesota	1	66	105	39	14	4	2	0	0	230
Mississippi	0	2	20	45	45	10	2	3	0	127
Missouri	0	0	47	114	113	68	17	6	6	371
Montana	0	4	27	12	9	4	1	0	0	57
Nebraska	0	2	19	15	3	3	1	0	1	44
Nevada	0	11	26	21	6	14	0	0	0	78
New Hampshire	0	14	26	7	0	0	1	0	0	48
New Jersey	30	2	52	113	44	40	5	7	7	270
New Mexico	0	0	12	36	30	17	5	2	6	108
New York	17	0	259	134	82	65	58	32	82	712
North Carolina	0	2	163	74	65	24	9	22	10	369
North Dakota	0	14	20	4	2	0	0	0	0	40
Ohio	0	124	406	139	38	19	6	7	3	742
Oklahoma	0	3	55	49	32	28	22	11	9	209
Oregon	4	0	27	76	30	8	0	1	0	142
Pennsylvania	3	16	254	146	66	35	16	10	5	548
Rhode Island	0	0	16	13	13	5	1	0	0	48
South Carolina	0	43	78	20	8	4	5	0	0	158
South Dakota	0	0	9	8	8	17	5	2	1	50
Tennessee	0	61	151	69	35	12	8	2	0	338
Texas	0	39	400	297	189	76	18	2	0	1,021
Utah	0	16	63	42	28	10	7	1	0	167
Vermont	0	0	27	6	8	0	0	0	0	41
Virginia	0	0	159	117	85	13	10	8	1	393
Washington	1	65	108	29	24	27	5	4	0	262
West Virginia	0	10	53	14	7	5	3	1	0	93
Wisconsin	4	15	55	34	31	32	4	1	0	172
Wyoming	0	23	26	23	10	4	1	0	1	88
U.S. Total	230	1,579	4,581	2,961	1,897	1,137	516	238	200	13,109
Puerto Rico	1	0	5	46	42	23	18	7	6	147
Grand Total	231	1,579	4,586	3,007	1,939	1,160	534	245	206	13,256

JANUARY 2002

TABLE HM-64
SHEET 4 OF 4

STATE	INTERNATIONAL ROUGHNESS INDEX (IRI) 1/
	OTHER FREEWAYS AND EXPRESSWAYS										OTHER PRINCIPAL ARTERIAL
	NOT REPORTED 2/	< 60	60-94	95-119	120-144	145-170	171-194	195-220	> 220	TOTAL REPORTED	NOT REPORTED 2/	< 60	60-94	95-119	120-144	145-170	171-194	195-220	> 220	TOTAL REPORTED
Alabama	0	2	13	2	2	1	0	0	0	20	0	258	473	169	71	21	7	3	3	1,005
Alaska	0	0	0	0	0	0	0	0	0	0	0	0	7	22	13	6	4	2	2	56
Arizona	15	22	45	22	7	4	0	0	0	100	753	19	98	57	41	31	10	2	9	267
Arkansas	0	1	44	24	17	25	7	3	2	123	50	0	40	116	93	100	54	49	76	528
California	0	42	219	300	384	270	88	45	26	1,374	3	91	273	512	995	1,001	964	768	1,225	5,829
Colorado	0	11	72	88	36	12	3	4	0	226	15	13	104	249	123	86	64	148	73	860
Connecticut	0	0	53	68	30	21	15	6	6	199	0	0	14	87	148	148	82	50	78	607
Delaware	0	0	5	5	0	1	0	0	0	11	1	17	48	32	14	8	3	3	8	133
Dist. of Columbia	2	0	0	0	1	5	4	1	6	17	4	0	0	1	2	4	7	15	58	87
Florida	11	155	203	29	17	7	2	0	1	414	248	514	1,134	379	218	90	37	34	33	2,439
Georgia	2	104	48	5	2	3	2	0	0	164	13	950	621	122	36	13	3	0	0	1,745
Hawaii	34	0	0	0	0	0	0	0	0	0	137	0	0	0	0	0	0	0	0	0
Idaho	0	0	0	0	0	0	0	0	0	0	4	15	43	39	52	35	22	26	25	257
Illinois	0	0	10	39	23	6	1	2	4	85	50	85	652	467	466	333	229	168	159	2,559
Indiana	7	16	22	31	21	17	12	2	9	130	442	50	250	220	208	143	100	37	86	1,094
Iowa	0	0	0	0	0	0	0	0	0	0	112	62	110	90	84	91	49	33	84	603
Kansas	9	14	43	33	15	14	4	2	2	127	432	15	57	45	23	27	20	16	12	215
Kentucky	0	20	30	22	15	5	1	0	0	93	0	37	246	244	50	44	14	8	7	650
Louisiana	11	0	4	5	10	3	9	2	2	35	139	7	126	96	77	95	76	85	153	715
Maine	1	0	10	3	2	1	1	0	0	17	30	1	43	34	19	24	8	7	9	145
Maryland	9	11	85	49	33	17	12	7	12	226	3	16	122	131	110	118	72	73	214	856
Massachusetts	10	0	74	70	30	7	2	0	6	189	469	3	34	138	241	224	160	108	177	1,085
Michigan	0	8	35	53	51	37	23	10	8	225	1	12	106	148	199	396	271	262	577	1,971
Minnesota	0	26	58	40	19	0	2	0	0	145	1	89	182	105	89	36	22	10	23	556
Mississippi	0	6	15	11	4	5	0	0	0	41	0	20	145	135	137	84	39	27	78	665
Missouri	6	0	21	54	94	65	55	18	6	313	384	0	21	85	138	139	112	62	112	669
Montana	0	0	0	0	0	0	0	0	0	0	2	2	27	36	33	23	13	14	23	171
Nebraska	0	0	1	7	4	3	2	1	0	18	104	12	26	29	40	50	46	31	75	309
Nevada	0	4	23	14	2	1	0	0	0	44	0	8	64	61	27	22	15	12	17	226
New Hampshire	0	2	33	3	2	1	0	0	0	41	0	11	66	29	25	16	8	9	11	175
New Jersey	89	0	36	68	59	27	24	5	5	224	351	0	41	83	193	215	144	104	182	962
New Mexico	3	0	0	0	0	0	0	0	0	0	36	12	70	117	98	67	34	37	43	478
New York	24	6	182	138	112	108	65	64	94	769	212	0	299	295	286	249	160	129	836	2,254
North Carolina	0	5	116	42	40	41	18	5	6	273	0	14	328	324	262	169	104	48	118	1,367
North Dakota	0	0	0	0	0	0	0	0	0	0	0	9	37	30	23	21	13	8	22	163
Ohio	0	33	158	96	46	31	14	4	3	385	0	56	437	439	381	282	147	102	128	1,972
Oklahoma	0	0	44	31	26	13	12	5	3	134	5	0	63	120	107	130	91	111	175	797
Oregon	2	0	4	34	14	0	0	0	0	52	16	2	40	124	168	150	79	42	46	651
Pennsylvania	2	14	132	112	94	59	42	17	12	482	17	17	505	333	403	411	209	170	204	2,252
Rhode Island	0	1	28	19	16	2	1	0	0	67	0	1	52	93	85	47	30	27	17	352
South Carolina	0	10	34	11	4	9	0	0	1	69	0	13	201	200	114	76	31	23	44	702
South Dakota	0	0	0	0	0	0	0	0	0	0	110	0	8	1	6	5	2	2	1	25
Tennessee	14	7	49	32	12	8	1	4	1	114	131	26	460	291	195	105	55	30	34	1,196
Texas	1	40	349	331	286	159	29	6	1	1,201	12	62	770	922	729	519	1,436	187	288	4,913
Utah	0	1	6	1	1	0	0	0	0	9	0	5	85	65	49	45	15	6	8	278
Vermont	0	0	10	5	2	1	0	0	0	18	0	0	10	21	20	17	7	8	15	98
Virginia	25	0	67	71	32	12	5	3	2	192	42	1	172	292	223	166	89	69	85	1,097
Washington	4	31	153	55	34	16	11	4	4	308	807	25	92	70	49	22	10	9	18	295
West Virginia	0	0	1	3	3	2	0	0	0	9	0	6	59	56	29	28	11	9	5	203
Wisconsin	0	6	29	32	36	36	19	8	8	174	2	13	100	158	189	219	177	144	323	1,323
Wyoming	0	1	2	0	0	0	0	0	0	3	16	30	73	30	27	13	11	3	3	190
U.S. Total	281	599	2,566	2,058	1,638	1,055	486	228	230	8,860	5,154	2,599	9,034	7,942	7,408	6,364	5,366	3,330	6,002	48,045
Puerto Rico	2	0	0	11	4	15	9	4	5	48	57	0	2	16	30	48	39	23	27	185
Grand Total	283	599	2,566	2,069	1,642	1,070	495	232	235	8,908	5,211	2,599	9,036	7,958	7,438	6,412	5,405	3,353	6,029	48,230

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