Iowa DOT

Volume of Traffic on the Primary Road System

Route	2015	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2015				Motorcylces	Cars, vans and pickups	Total trucks and buses	Single unit trucks				Combination trucks				All vehicles	Trucks and buses
	Primary route section description							Single unit trucks				Combination trucks
	Primary route section description							Buses	2Axles	3Axles	4 or more axles	4 or less axles	5Axles	6 or more axles	Multiple trailers
30	57 Linn COUNTY
30	LOCAL ROAD INTERCHANGE
30	(TO CITY OF CEDAR RAPIDS)	Rural	2.629	13700	65	12143	1492	46	224	49	5	112	964	39	53	36017	3922
30	EAST-WEST RAMP	Rural	0.429	2010	10	1956	44	4	17	4	0	2	16	1	1	0	0
30	WEST-EAST RAMP WEST PART	Rural	0.423	1860	9	1750	101	7	36	8	1	5	40	2	2	0	0
30	WEST-EAST RAMP EAST PART	Rural	0.217	1860	9	1750	101	7	36	8	1	5	40	2	2	0	0
30	FAIRFAX ROAD INTERCHANGE	Rural	0.521	10400	48	8958	1394	38	187	41	4	108	927	37	51	5418	726
30	EAST-NORTH EAST-SOUTH RAMP	Rural	0.317	1020	5	927	88	7	32	7	1	4	34	1	1	0	0
30	NORTH-EAST SOUTH-EAST RAMP	Rural	0.242	610	3	538	69	6	28	6	1	3	23	1	1	0	0
30	WEST LIMITS OF CEDAR RAPIDS	Rural	0.997	12000	55	10393	1552	51	248	55	6	114	985	40	55	11964	1547
30	US 151 & IA 922 WEST INTCHG AT
30	EAST LIMITS OF CEDAR RAPIDS	Municipal	0.982	11500	53	9969	1477	48	236	52	5	109	937	38	52	11293	1450
30	EAST-NORTH EAST-SOUTH RAMP	Rural	0.248	3720	18	3394	307	17	86	19	2	18	151	6	8	0	0
30	NORTH-EAST SOUTH-EAST RAMP	Rural	0.292	5500	27	5061	412	23	113	25	3	24	206	8	11	0	0
30	WEST-NORTH WEST-SOUTH RAMP	Rural	0.249	660	3	623	34	3	12	3	0	2	13	1	1	0	0
30	NORTH-WEST SOUTH-WEST RAMP	Rural	0.217	780	4	743	33	3	12	3	0	1	12	0	0	0	0
30	NORTH-WEST RAMP CONNECTION	Rural	0.162	700	4	675	21	1	6	1	0	1	10	0	0	0	0
30	SOUTH-WEST RAMP CONNECTION	Rural	0.068	70	0	60	10	1	6	1	0	0	2	0	0	0	0
30	WEST LIMITS OF CEDAR RAPIDS	Rural	0.518	19800	93	17503	2204	86	422	93	10	153	1315	53	73	10256	1142
30	EDGEWOOD ROAD INTERCHANGE	Municipal	0.853	18900	89	16714	2097	82	402	88	9	145	1252	50	68	16122	1789
30	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.379	8100	40	7567	492	35	174	38	4	23	199	8	11	0	0
30	SOUTH-EAST RAMP	Municipal	0.267	1020	5	851	164	11	55	12	1	8	70	3	4	0	0
30	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.379	760	4	703	54	4	21	5	0	2	19	1	1	0	0
30	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.267	1290	6	1217	67	5	25	5	1	3	26	1	1	0	0
30	NORTH-EAST LOOP	Municipal	0.254	5500	28	5217	255	20	96	21	2	11	96	4	5	0	0
30	6TH STREET INTERCHANGE	Municipal	2.183	31300	151	28264	2885	138	679	149	15	182	1571	63	86	68328	6298
30	EASTBOUND OFF RAMP	Municipal	0.143	2450	11	1985	455	15	76	17	2	33	285	11	15	0	0
30	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.218	1960	9	1707	244	17	82	18	2	12	104	4	5	0	0
30	N-W S-W E-N CONNECTION	Municipal	0.037	2720	12	2228	480	27	133	29	3	27	237	10	14	0	0
30	N-E,S-E,W-N,S-N CONNECTOR	Municipal	0.168	6300	27	5013	1260	57	277	61	6	82	709	29	39	0	0
30	EASTBOUND ON RAMP	Municipal	0.099	3430	14	2605	811	36	175	38	4	53	461	19	25	0	0
30	EAST-SOUTH LOOP	Municipal	0.099	2240	9	1729	502	21	104	23	2	34	291	12	16	0	0
30	EAST-NORTH EAST-SOUTH LOOP	Municipal	0.118	3000	12	2251	737	32	156	34	4	49	423	17	23	0	0
30	EAST-NORTH LOOP	Municipal	0.031	770	3	531	236	11	52	11	1	15	133	5	7	0	0
30	I 380/US 151/US 218 INTERCHANGE	Municipal	0.333	33400	157	29505	3737	174	852	187	19	240	2068	83	114	11122	1244
30	BOWLING STREET INTERCHANGE	Municipal	0.677	36100	172	32201	3727	159	781	172	18	249	2144	86	117	24440	2523
30	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.299	1600	8	1429	163	13	64	14	1	7	59	2	3	0	0
30	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.311	850	4	725	121	11	54	12	1	4	36	1	1	0	0
30	NORTH-WEST LOOP	Municipal	0.067	1460	6	1156	298	17	86	19	2	17	144	6	8	0	0
30	SOUTH-WEST LOOP	Municipal	0.087	4640	24	4566	49	5	26	6	1	1	10	0	0	0	0
30	NORTH-WEST SOUTH-WEST LOOP	Municipal	0.131	6000	30	5623	347	23	111	24	3	18	154	6	8	0	0
30	WEST-NORTH WEST-SOUTH LOOP	Municipal	0.242	2510	12	2253	245	15	72	16	2	14	116	5	6	0	0
30	C STREET INTERCHANGE	Municipal	0.997	29900	140	26342	3418	146	715	157	16	228	1968	79	107	29810	3408
30	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.267	2530	12	2279	239	5	26	6	1	19	167	7	9	0	0
30	WEST-SOUTH RAMP	Municipal	0.369	6300	33	6117	150	9	44	10	1	8	71	3	4	0	0
30	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.329	7200	36	6769	395	18	89	20	2	25	220	9	13	0	0
30	WEST-NORTH LOOP	Municipal	0.230	860	3	607	250	7	33	7	1	19	167	7	9	0	0
30	EAST-NORTH EAST-SOUTH LOOP	Municipal	0.242	1920	9	1648	263	7	36	8	1	20	174	7	9	0	0
30	JUNCTION IVANHOE ROAD	Municipal	0.991	23000	105	19654	3241	146	718	158	16	211	1819	73	100	22793	3212
30	EAST LIMITS OF CEDAR RAPIDS	Municipal	1.766	24300	111	20877	3312	156	767	169	17	211	1819	73	100	42914	5849
30	US 151 & IA 13 EAST INTCHG	Rural	2.164	25500	117	21904	3480	164	805	177	18	222	1911	77	105	55182	7531
30	EAST-NORTH RAMP	Rural	0.317	3380	17	3115	248	24	115	25	3	8	67	3	4	0	0
30	WEST-NORTH LOOP	Rural	0.317	8700	39	7385	1275	58	285	63	6	83	713	29	39	0	0
30	NORTH-WEST RAMP	Rural	0.280	9300	41	7743	1516	58	285	63	6	106	912	37	51	0	0
30	NORTH-EAST RAMP	Rural	0.510	3450	17	3265	168	15	73	16	2	6	52	2	3	0	0
30	WEST LIMITS OF MOUNT VERNON	Rural	5.185	13000	62	11701	1236	77	380	84	9	66	566	23	32	67405	6409
30	INTERSECTION IA 1	Municipal	1.188	13100	63	11861	1176	74	362	80	8	63	539	22	30	15563	1397
30	JCT COUNTRY CLUB DR & 1ST STREET	Municipal	0.655	8400	41	7616	743	33	161	35	4	49	421	17	23	5502	487
30	EAST LIMITS OF MOUNT VERNON &
30	WEST LIMITS OF LISBON	Municipal	0.261	8700	42	7915	743	33	161	35	4	49	421	17	23	2271	194
30	INTERSECTION WASHINGTON STREET	Municipal	1.023	8700	42	7915	743	33	161	35	4	49	421	17	23	8900	760
30	EAST LIMITS OF LISBON	Municipal	0.234	7300	35	6522	743	33	161	35	4	49	421	17	23	1708	174
30	WEST LINE OF CEDAR COUNTY	Rural	0.768	7600	36	6799	765	34	166	37	4	50	433	17	23	5837	588
	ROUTE SUMMARY - RURAL		17.070	12055												192079	21865
	ROUTE SUMMARY - MUNICIPAL		17.176	16167												260766	28785