Iowa DOT

Volume of Traffic on the Primary Road System

Route	2014	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2014				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	85 Story COUNTY
30	SOUTH DAKOTA INTERCHANGE	Rural	1.109	14100	86	12909	1105	51	236	53	6	68	637	23	31	15637	1225
30	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.285	4760	30	4560	169	20	91	21	2	3	29	1	1	0	0
30	WEST-NORTH WEST-SOUTH RAMP	Rural	0.405	990	6	886	98	13	61	14	1	1	7	0	0	0	0
30	NORTH-WEST SOUTH-WEST RAMP	Rural	0.271	1130	7	1088	35	5	23	5	1	0	2	0	0	0	0
30	NORTH-EAST SOUTH-EAST LOOP	Rural	0.252	4600	30	4467	103	13	61	14	1	1	11	0	0	0	0
30	WEST LIMITS OF AMES	Rural	0.525	21500	134	20113	1253	67	310	69	7	72	671	25	33	11288	658
30	UNIVERSITY BLVD INTERCHANGE	Municipal	1.590	20500	127	19181	1192	64	295	66	7	68	638	23	31	32595	1895
30	EAST-SOUTH RAMP CONNECTION	Municipal	0.112	770	5	743	22	3	14	3	0	0	2	0	0	0	0
30	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.081	4470	29	4311	130	12	53	12	1	5	44	2	2	0	0
30	EAST-NORTH RAMP CONNECTION	Municipal	0.162	3700	24	3568	108	9	40	9	1	4	42	2	2	0	0
30	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.267	4500	29	4369	102	9	41	9	1	4	35	1	1	0	0
30	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.218	2870	19	2807	44	5	25	6	1	1	6	0	0	0	0
30	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.298	2750	18	2675	57	7	31	7	1	1	9	0	0	0	0
30	US 69 INTERCHANGE	Municipal	1.522	24000	150	22528	1322	72	332	74	8	75	702	26	34	36528	2012
30	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.330	5900	37	5623	239	19	89	20	2	10	91	3	4	0	0
30	SOUTH-EAST RAMP	Municipal	0.249	2280	14	2099	167	12	54	12	1	8	74	3	4	0	0
30	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.329	3140	20	3042	78	8	38	8	1	2	19	1	1	0	0
30	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.174	2940	19	2867	54	6	29	6	1	1	10	0	0	0	0
30	NORTH-WEST RAMP CONNECTION	Municipal	0.099	1780	12	1740	29	4	16	4	0	0	4	0	0	0	0
30	NORTH-EAST LOOP	Municipal	0.230	2900	19	2789	93	7	30	7	1	4	41	2	2	0	0
30	SOUTH-WEST RAMP CONNECTION	Municipal	0.087	1160	7	1126	26	3	13	3	0	1	6	0	0	0	0
30	DAYTON AVENUE INTERCHANGE AT
30	EAST LIMITS OF AMES	Municipal	1.223	29000	180	27132	1688	95	438	98	10	94	879	32	42	35467	2064
30	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.167	2200	13	1925	263	15	70	16	2	14	135	5	6	0	0
30	EAST-NORTH EAST-SOUTH RAMP	Rural	0.113	2320	13	2031	276	16	73	16	2	15	142	5	6	0	0
30	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.168	2000	12	1735	254	17	79	18	2	12	116	4	5	0	0
30	NORTH-EAST SOUTH-EAST RAMP	Rural	0.081	2100	12	1821	267	18	83	19	2	13	122	4	5	0	0
30	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.280	2250	14	2032	204	22	102	23	2	5	45	2	2	0	0
30	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.199	2460	15	2236	209	19	87	20	2	7	68	2	3	0	0
30	I 35 INTERCHANGE	Rural	0.788	30000	186	27929	1885	91	418	94	10	114	1068	39	51	23640	1485
30	INTERSECTION CO RD R70	Rural	1.561	15000	92	13837	1071	52	241	54	6	64	603	22	29	23415	1672
30	WEST LIMITS OF NEVADA	Rural	2.766	13500	83	12529	887	49	225	50	5	50	468	17	22	37341	2453
30	INTERSECTION CO RD S14	Municipal	1.267	12000	74	11082	844	47	214	48	5	48	445	16	21	15204	1069
30	JUNCTION 6TH STREET	Municipal	0.494	11700	72	10814	815	42	195	44	5	48	445	16	21	5780	403
30	EAST LIMITS OF NEVEDA AT
30	19TH STREET INTERCHANGE	Municipal	0.974	10200	62	9323	815	42	195	44	5	48	445	16	21	9935	794
30	EAST-NORTH EAST-SOUTH RAMP	Rural	0.319	1000	6	939	54	5	25	6	1	2	15	1	1	0	0
30	NORTH-EAST SOUTH-EAST RAMP	Rural	0.316	1080	7	1040	33	3	12	3	0	1	13	0	0	0	0
30	NORTH-WEST SOUTH-WEST LOOP	Rural	0.186	1900	12	1794	94	7	34	8	1	4	37	1	1	0	0
30	WEST-NORTH WEST-SOUTH LOOP	Rural	0.217	1910	12	1800	98	8	35	8	1	4	39	1	1	0	0
30	INTERSECTION CO RD S27	Rural	1.499	9100	55	8256	789	35	162	36	4	49	462	17	22	13641	1183
30	INTERSECTION 680TH AVENUE	Rural	3.000	7400	44	6568	789	35	162	36	4	49	462	17	22	22200	2367
30	W LIMITS OF COLO	Rural	1.203	7400	44	6568	789	35	162	36	4	49	462	17	22	8902	949
30	US 65 INTERCHANGE	Municipal	0.759	6400	38	5772	590	34	154	35	4	33	306	11	15	4858	448
30	EAST-NORTH EAST-SOUTH RAMP	Rural	0.360	220	1	198	21	1	4	1	0	1	13	0	0	0	0
30	NORTH-EAST SOUTH-EAST RAMP	Rural	0.261	250	1	208	41	3	12	3	0	2	20	1	1	0	0
30	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.249	870	5	778	87	6	29	7	1	4	37	1	1	0	0
30	NORTH-WEST SOUTH-WEST LOOP	Rural	0.242	870	5	775	90	5	23	5	1	5	48	2	2	0	0
30	WEST LINE OF MARSHALL COUNTY	Rural	3.995	5600	32	4774	794	33	153	34	4	51	478	17	22	22372	3172
	ROUTE SUMMARY - RURAL		19.469	9375												178436	15164
	ROUTE SUMMARY - MUNICIPAL		11.813	12906												140367	8685