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	85 Story COUNTY
30	SOUTH DAKOTA INTERCHANGE	Rural	1.109	14900	72	13466	1363	85	418	92	9	73	626	25	34	16524	1512
30	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.285	5100	26	4936	138	16	77	17	2	3	22	1	1	0	0
30	WEST-NORTH WEST-SOUTH RAMP	Rural	0.405	1110	6	1070	34	4	20	4	0	0	4	0	0	0	0
30	NORTH-WEST SOUTH-WEST RAMP	Rural	0.271	1170	6	1129	35	5	22	5	1	0	2	0	0	0	0
30	NORTH-EAST SOUTH-EAST LOOP	Rural	0.252	5600	29	5432	140	17	84	19	2	2	15	1	1	0	0
30	WEST LIMITS OF AMES	Rural	0.525	23400	116	21712	1572	109	537	118	12	76	656	26	36	12285	825
30	UNIVERSITY BLVD INTERCHANGE	Municipal	1.590	23400	116	21712	1572	109	537	118	12	76	656	26	36	37206	2499
30	EAST-SOUTH RAMP CONNECTION*	Municipal	0.112	780	4	754	22	3	14	3	0	0	2	0	0	0	0
30	EAST-NORTH EAST-SOUTH RAMP*	Municipal	0.081	4710	24	4555	131	11	55	12	1	5	43	2	3	0	0
30	EAST-NORTH RAMP CONNECTION*	Municipal	0.162	3930	20	3801	109	8	41	9	1	5	41	2	2	0	0
30	NORTH-EAST SOUTH-EAST RAMP*	Municipal	0.267	4140	21	4007	112	8	41	9	1	5	43	2	3	0	0
30	WEST-NORTH WEST-SOUTH RAMP*	Municipal	0.218	2890	15	2831	44	5	26	6	1	1	6	0	0	0	0
30	NORTH-WEST SOUTH-WEST RAMP*	Municipal	0.298	2770	14	2702	53	6	32	7	1	1	6	0	0	0	0
30	US 69 INTERCHANGE	Municipal	1.522	26600	132	24750	1718	117	576	127	13	85	731	29	40	40485	2615
30	EAST-NORTH EAST-SOUTH RAMP*	Municipal	0.330	5900	30	5569	301	27	133	29	3	10	90	4	5	0	0
30	SOUTH-EAST RAMP *	Municipal	0.249	2300	11	2079	209	17	83	18	2	9	73	3	4	0	0
30	WEST-NORTH WEST-SOUTH RAMP*	Municipal	0.329	3370	18	3284	68	8	38	8	1	1	11	0	0	0	0
30	NORTH-WEST SOUTH-WEST RAMP*	Municipal	0.174	2940	15	2870	55	6	30	7	1	1	10	0	0	0	0
30	NORTH-WEST RAMP CONNECTION*	Municipal	0.099	1770	9	1733	27	3	13	3	0	1	7	0	0	0	0
30	NORTH-EAST LOOP *	Municipal	0.230	2940	15	2806	119	9	44	10	1	5	45	2	3	0	0
30	SOUTH-WEST RAMP CONNECTION*	Municipal	0.087	1170	6	1136	28	3	17	4	0	0	3	0	0	0	0
30	DAYTON AVENUE INTERCHANGE AT
30	EAST LIMITS OF AMES	Municipal	1.223	31400	155	29022	2224	157	768	169	17	107	919	37	51	38402	2720
30	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.167	2920	14	2591	315	21	104	23	2	16	136	5	7	0	0
30	EAST-NORTH EAST-SOUTH RAMP	Rural	0.113	2920	14	2591	315	21	104	23	2	16	136	5	7	0	0
30	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.168	2820	13	2460	347	27	131	29	3	15	130	5	7	0	0
30	NORTH-EAST SOUTH-EAST RAMP	Rural	0.081	2820	13	2460	347	27	131	29	3	15	130	5	7	0	0
30	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.280	3060	14	2718	328	37	183	40	4	6	52	2	3	0	0
30	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.199	3240	16	2928	297	29	142	31	3	9	76	3	4	0	0
30	I 35 INTERCHANGE	Rural	0.788	30900	152	28487	2261	138	678	149	15	123	1057	42	58	24349	1782
30	INTERSECTION CO RD R70	Rural	1.561	16600	80	15052	1468	83	407	90	9	84	726	29	40	25913	2292
30	WEST LIMITS OF NEVADA	Rural	2.766	15300	75	14096	1129	62	304	67	7	66	569	23	32	42320	3123
30	INTERSECTION CO RD S14	Municipal	1.267	14500	71	13301	1129	62	304	67	7	66	569	23	32	18372	1430
30	JUNCTION 6TH STREET	Municipal	0.494	14200	70	13080	1050	51	250	55	6	66	569	23	32	7015	519
30	EAST LIMITS OF NEVEDA AT
30	19TH STREET INTERCHANGE	Municipal	0.974	11800	57	10696	1047	51	250	55	6	66	566	23	32	11493	1020
30	EAST-NORTH EAST-SOUTH RAMP	Rural	0.319	950	5	903	42	4	18	4	0	2	13	1	1	0	0
30	NORTH-EAST SOUTH-EAST RAMP	Rural	0.316	1290	7	1236	47	4	17	4	0	2	18	1	1	0	0
30	NORTH-WEST SOUTH-WEST LOOP	Rural	0.186	2040	10	1936	93	7	37	8	1	4	33	1	1	0	0
30	WEST-NORTH WEST-SOUTH LOOP	Rural	0.217	2090	11	1990	89	6	31	7	1	4	36	1	1	0	0
30	INTERSECTION CO RD S27	Rural	1.499	9900	47	8729	1124	61	301	66	7	66	568	23	32	14840	1685
30	INTERSECTION 680TH AVENUE	Rural	3.000	8300	38	7138	1124	61	301	66	7	66	568	23	32	24900	3372
30	W LIMITS OF COLO	Rural	1.203	8400	39	7237	1124	61	301	66	7	66	568	23	32	10105	1352
30	US 65 INTERCHANGE	Municipal	0.759	8300	40	7442	819	34	167	37	4	55	477	19	26	6300	622
30	EAST-NORTH EAST-SOUTH RAMP	Rural	0.360	300	1	258	40	1	5	1	0	3	27	1	1	0	0
30	NORTH-EAST SOUTH-EAST RAMP	Rural	0.261	320	1	266	52	1	6	1	0	4	36	1	1	0	0
30	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.249	900	4	789	106	7	32	7	1	6	49	2	3	0	0
30	NORTH-WEST SOUTH-WEST LOOP	Rural	0.242	1040	5	935	100	5	26	6	1	6	52	2	3	0	0
30	WEST LINE OF MARSHALL COUNTY	Rural	3.995	6800	32	5918	851	31	151	33	3	61	522	21	28	27166	3400
	ROUTE SUMMARY - RURAL		19.469	10433												198402	19343
	ROUTE SUMMARY - MUNICIPAL		11.813	14575												159273	11425