Iowa DOT

Volume of Traffic on the Primary Road System

Route	2011	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2011				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	1.123	13600	70	12458	1070	50	215	63	7	87	605	19	25	15273	1202
30	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.285	4840	26	4642	172	20	87	26	3	4	30	1	1	1379	49
30	WEST-NORTH WEST-SOUTH RAMP	Rural	0.405	960	5	860	95	13	56	16	2	1	7	0	0	389	38
30	NORTH-WEST SOUTH-WEST RAMP	Rural	0.271	1100	6	1060	34	5	21	6	1	0	2	0	0	298	9
30	NORTH-EAST SOUTH-EAST LOOP	Rural	0.252	4450	24	4325	100	13	56	16	2	2	11	0	0	1121	25
30	WEST LIMITS OF AMES	Rural	0.525	20800	110	19475	1213	66	282	82	9	91	638	20	26	10920	637
30	UNIVERSITY BLVD INTERCHANGE	Municipal	1.594	20800	110	19475	1213	66	282	82	9	91	638	20	26	33155	1934
30	EAST-SOUTH RAMP CONNECTION	Municipal	0.112	780	4	754	22	3	13	4	0	0	2	0	0	87	2
30	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.081	4540	25	4383	132	12	51	15	2	6	44	1	1	368	11
30	EAST-NORTH RAMP CONNECTION	Municipal	0.162	3760	20	3629	110	9	38	11	1	6	42	1	1	609	18
30	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.267	4570	25	4440	104	9	39	11	1	5	35	1	1	1220	28
30	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.218	2920	16	2859	45	6	24	7	1	1	6	0	0	637	10
30	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.298	2790	15	2717	58	7	30	9	1	1	9	0	0	831	17
30	US 69 INTERCHANGE	Municipal	1.518	24400	129	22922	1346	74	317	93	10	101	702	21	28	37039	2043
30	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.330	6000	32	5724	243	20	85	25	3	13	91	3	4	1980	80
30	SOUTH-EAST RAMP	Municipal	0.249	2320	12	2139	169	12	51	15	2	11	73	2	2	578	42
30	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.329	3190	17	3093	79	8	36	11	1	3	19	1	1	1050	26
30	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.174	2990	16	2919	55	6	28	8	1	1	10	0	0	520	10
30	NORTH-WEST RAMP CONNECTION	Municipal	0.099	1810	10	1771	29	4	15	5	0	1	4	0	0	179	3
30	NORTH-EAST LOOP	Municipal	0.230	2950	16	2838	95	7	29	8	1	6	41	1	1	679	22
30	SOUTH-WEST RAMP CONNECTION	Municipal	0.087	1180	6	1147	26	3	12	4	0	1	6	0	0	103	2
30	DAYTON AVENUE INTERCHANGE AT
30	EAST LIMITS OF AMES	Municipal	1.223	29500	156	27622	1719	98	419	123	13	126	878	27	35	36079	2102
30	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.167	2240	11	1960	268	16	67	20	2	19	135	4	5	374	45
30	EAST-NORTH EAST-SOUTH RAMP	Rural	0.113	2240	11	1960	268	16	67	20	2	19	135	4	5	253	30
30	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.168	2030	10	1762	258	18	76	22	2	17	115	4	5	341	43
30	NORTH-EAST SOUTH-EAST RAMP	Rural	0.081	2030	10	1762	258	18	76	22	2	17	115	4	5	164	21
30	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.280	2290	12	2071	207	23	98	29	3	7	45	1	1	641	58
30	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.199	2500	13	2275	212	19	83	24	3	10	68	2	2	498	42
30	I 35 INTERCHANGE	Rural	0.788	29000	152	27019	1826	89	381	111	12	146	1016	31	41	22852	1439
30	INTERSECTION CO RD R70	Rural	1.561	14500	75	13385	1038	51	220	64	7	82	573	18	23	22635	1620
30	WEST LIMITS OF NEVADA	Rural	2.948	13000	68	12071	860	48	205	60	6	64	446	14	18	38324	2535
30	INTERSECTION CO RD S14	Municipal	1.085	12200	64	11275	860	48	205	60	6	64	446	14	18	13237	933
30	JUNCTION 6TH STREET	Municipal	0.494	11900	62	11006	831	43	186	54	6	64	446	14	18	5879	411
30	EAST LIMITS OF NEVEDA AT
30	19TH STREET INTERCHANGE	Municipal	0.974	10400	54	9514	831	43	186	54	6	64	446	14	18	10130	809
30	EAST-NORTH EAST-SOUTH RAMP	Rural	0.319	970	5	911	53	5	22	7	1	2	15	0	0	309	17
30	NORTH-EAST SOUTH-EAST RAMP	Rural	0.316	1050	6	1011	33	3	12	3	0	2	12	0	0	332	10
30	NORTH-WEST SOUTH-WEST LOOP	Rural	0.186	1840	10	1740	90	7	31	9	1	5	35	1	1	342	17
30	WEST-NORTH WEST-SOUTH LOOP	Rural	0.217	1850	10	1746	94	7	32	9	1	5	36	1	1	401	20
30	INTERSECTION CO RD S27	Rural	1.499	8800	45	7990	764	34	148	43	5	63	440	13	17	13191	1145
30	INTERSECTION 680TH AVENUE	Rural	2.999	7200	36	6399	764	34	148	43	5	63	440	13	17	21593	2291
30	W LIMITS OF COLO	Rural	1.203	7200	36	6399	764	34	148	43	5	63	440	13	17	8662	919
30	US 65 INTERCHANGE	Municipal	0.759	6500	33	5867	600	34	148	43	5	44	305	9	12	4934	455
30	EAST-NORTH EAST-SOUTH RAMP	Rural	0.360	220	1	198	21	1	4	1	0	2	12	0	0	79	8
30	NORTH-EAST SOUTH-EAST RAMP	Rural	0.261	240	1	198	41	3	11	3	0	3	20	1	1	63	11
30	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.249	880	4	786	89	7	28	8	1	5	37	1	1	219	22
30	NORTH-WEST SOUTH-WEST LOOP	Rural	0.242	840	4	749	87	5	21	6	1	7	45	1	1	203	21
30	WEST LINE OF MARSHALL COUNTY	Rural	3.995	5300	26	4625	648	30	130	38	4	53	367	11	14	21174	2589
	ROUTE SUMMARY - RURAL		19.664	9081												178578	14604
	ROUTE SUMMARY - MUNICIPAL		11.631	13133												152746	9217