Iowa DOT

Volume of Traffic on the Primary Road System

Route	2012	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2012				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	13800	80	12635	1084	53	217	62	7	89	610	20	26	15497	1217
30	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.285	4840	29	4639	172	21	87	25	3	4	29	1	1	1379	49
30	WEST-NORTH WEST-SOUTH RAMP	Rural	0.405	970	6	869	96	14	56	16	2	1	7	0	0	393	39
30	NORTH-WEST SOUTH-WEST RAMP	Rural	0.271	1110	7	1069	34	5	21	6	1	0	2	0	0	301	9
30	NORTH-EAST SOUTH-EAST LOOP	Rural	0.252	4510	28	4381	101	14	56	16	2	2	11	0	0	1137	25
30	WEST LIMITS OF AMES	Rural	0.525	21100	125	19745	1229	69	285	82	9	93	642	21	27	11078	645
30	UNIVERSITY BLVD INTERCHANGE	Municipal	1.590	20800	123	19465	1212	68	281	81	9	92	633	21	27	33072	1927
30	EAST-SOUTH RAMP CONNECTION	Municipal	0.112	780	5	753	22	3	13	4	0	0	2	0	0	87	2
30	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.081	4540	28	4380	132	12	51	14	2	6	43	1	1	368	11
30	EAST-NORTH RAMP CONNECTION	Municipal	0.162	3760	23	3627	110	9	38	11	1	6	42	1	1	609	18
30	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.267	4570	28	4437	104	10	39	11	1	5	35	1	1	1220	28
30	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.218	2920	18	2857	45	6	24	7	1	1	6	0	0	637	10
30	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.298	2790	17	2715	58	7	30	9	1	1	9	0	0	831	17
30	US 69 INTERCHANGE	Municipal	1.522	24400	145	22910	1345	77	317	91	10	101	697	23	30	37137	2047
30	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.330	6000	36	5720	243	21	85	24	3	13	90	3	4	1980	80
30	SOUTH-EAST RAMP	Municipal	0.249	2320	14	2138	169	12	51	15	2	11	73	2	2	578	42
30	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.329	3190	20	3092	79	9	36	10	1	3	19	1	1	1050	26
30	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.174	2990	18	2916	55	7	28	8	1	1	10	0	0	520	10
30	NORTH-WEST RAMP CONNECTION	Municipal	0.099	1810	11	1770	29	4	15	4	0	1	4	0	0	179	3
30	NORTH-EAST LOOP	Municipal	0.230	2950	18	2837	95	7	29	8	1	6	41	1	1	679	22
30	SOUTH-WEST RAMP CONNECTION	Municipal	0.087	1180	7	1147	26	3	12	3	0	1	6	0	0	103	2
30	DAYTON AVENUE INTERCHANGE AT
30	EAST LIMITS OF AMES	Municipal	1.223	29500	175	27608	1717	102	418	120	13	127	873	29	37	36079	2100
30	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.167	2240	12	1959	268	16	67	19	2	19	134	4	5	374	45
30	EAST-NORTH EAST-SOUTH RAMP	Rural	0.113	2270	13	1986	271	16	67	19	2	20	136	4	5	257	31
30	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.168	2030	11	1761	258	18	76	22	2	17	115	4	5	341	43
30	NORTH-EAST SOUTH-EAST RAMP	Rural	0.081	2060	11	1786	262	19	77	22	2	17	116	4	5	167	21
30	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.280	2290	13	2070	207	24	97	28	3	7	45	1	1	641	58
30	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.199	2500	14	2274	212	20	83	24	3	10	67	2	2	498	42
30	I 35 INTERCHANGE	Rural	0.788	29400	174	27376	1850	94	385	110	12	148	1023	34	44	23167	1458
30	INTERSECTION CO RD R70	Rural	1.561	14700	86	13563	1051	54	222	63	7	84	578	19	24	22947	1641
30	WEST LIMITS OF NEVADA	Rural	2.766	13200	78	12252	871	50	207	59	6	65	449	15	19	36511	2409
30	INTERSECTION CO RD S14	Municipal	1.267	12200	71	11270	859	50	204	59	6	64	442	15	19	15457	1088
30	JUNCTION 6TH STREET	Municipal	0.494	11900	70	11001	830	45	186	53	6	64	442	15	19	5879	410
30	EAST LIMITS OF NEVEDA AT
30	19TH STREET INTERCHANGE	Municipal	0.974	10400	60	9510	830	45	186	53	6	64	442	15	19	10130	808
30	EAST-NORTH EAST-SOUTH RAMP	Rural	0.319	980	6	921	53	5	22	6	1	2	15	0	0	313	17
30	NORTH-EAST SOUTH-EAST RAMP	Rural	0.316	1060	6	1020	33	3	12	3	0	2	12	0	0	335	10
30	NORTH-WEST SOUTH-WEST LOOP	Rural	0.186	1860	11	1757	92	8	31	9	1	5	35	1	1	346	17
30	WEST-NORTH WEST-SOUTH LOOP	Rural	0.217	1870	11	1763	96	8	33	9	1	5	37	1	1	406	21
30	INTERSECTION CO RD S27	Rural	1.499	8900	51	8075	774	36	149	43	5	64	443	15	19	13341	1160
30	INTERSECTION 680TH AVENUE	Rural	2.999	7300	41	6485	774	36	149	43	5	64	443	15	19	21893	2321
30	W LIMITS OF COLO	Rural	1.203	7300	41	6485	774	36	149	43	5	64	443	15	19	8782	931
30	US 65 INTERCHANGE	Municipal	0.759	6500	37	5863	600	36	147	42	5	44	303	10	13	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	5	786	89	7	28	8	1	5	37	1	1	219	22
30	NORTH-WEST SOUTH-WEST LOOP	Rural	0.242	850	5	757	88	5	21	6	1	7	46	2	2	206	21
30	WEST LINE OF MARSHALL COUNTY	Rural	3.995	5400	30	4714	657	32	132	38	4	54	370	12	16	21573	2625
	ROUTE SUMMARY - RURAL		19.482	9177												178792	14637
	ROUTE SUMMARY - MUNICIPAL		11.813	13119												154981	9365