Iowa DOT

Volume of Traffic on the Primary Road System

Route	2016	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2016				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	15300	68	13828	1404	85	435	92	11	71	643	28	39	16968	1557
30	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.285	5200	25	5035	140	15	79	17	2	2	22	1	1	0	0
30	WEST-NORTH WEST-SOUTH RAMP	Rural	0.405	1140	5	1100	35	4	21	4	1	0	4	0	0	0	0
30	NORTH-WEST SOUTH-WEST RAMP	Rural	0.271	1210	6	1169	36	5	23	5	1	0	2	0	0	0	0
30	NORTH-EAST SOUTH-EAST LOOP	Rural	0.252	5800	28	5627	145	17	88	19	2	2	16	1	1	0	0
30	WEST LIMITS OF AMES	Rural	0.525	24100	110	22371	1619	109	559	118	14	75	674	29	41	12653	850
30	UNIVERSITY BLVD INTERCHANGE	Municipal	1.590	23800	109	22091	1600	108	553	117	14	74	666	29	41	37842	2544
30	EAST-SOUTH RAMP CONNECTION*	Municipal	0.112	790	4	764	22	3	14	3	0	0	2	0	0	0	0
30	EAST-NORTH EAST-SOUTH RAMP*	Municipal	0.081	4800	23	4644	133	11	56	12	1	5	44	2	3	0	0
30	EAST-NORTH RAMP CONNECTION*	Municipal	0.162	4000	19	3870	111	8	42	9	1	5	42	2	3	0	0
30	NORTH-EAST SOUTH-EAST RAMP*	Municipal	0.267	4220	20	4086	114	8	43	9	1	5	44	2	3	0	0
30	WEST-NORTH WEST-SOUTH RAMP*	Municipal	0.218	2940	14	2880	45	5	27	6	1	1	6	0	0	0	0
30	NORTH-WEST SOUTH-WEST RAMP*	Municipal	0.298	2820	14	2752	54	6	33	7	1	1	6	0	0	0	0
30	US 69 INTERCHANGE	Municipal	1.522	27100	124	25227	1749	116	592	125	15	82	742	32	46	41246	2662
30	EAST-NORTH EAST-SOUTH RAMP*	Municipal	0.330	6000	28	5666	306	27	136	29	3	10	91	4	5	0	0
30	SOUTH-EAST RAMP *	Municipal	0.249	2340	10	2116	213	17	85	18	2	8	75	3	4	0	0
30	WEST-NORTH WEST-SOUTH RAMP*	Municipal	0.329	3430	16	3345	69	8	39	8	1	1	11	0	0	0	0
30	NORTH-WEST SOUTH-WEST RAMP*	Municipal	0.174	2990	14	2920	56	6	31	6	1	1	10	0	0	0	0
30	NORTH-WEST RAMP CONNECTION*	Municipal	0.099	1800	9	1764	27	3	13	3	0	1	7	0	0	0	0
30	NORTH-EAST LOOP *	Municipal	0.230	2990	14	2855	121	9	45	10	1	5	46	2	3	0	0
30	SOUTH-WEST RAMP CONNECTION*	Municipal	0.087	1190	6	1157	28	3	17	4	0	0	3	0	0	0	0
30	DAYTON AVENUE INTERCHANGE AT
30	EAST LIMITS OF AMES	Municipal	1.223	32000	146	29591	2264	155	790	167	19	104	932	40	57	39136	2769
30	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.167	2970	13	2637	321	21	107	23	3	15	138	6	9	0	0
30	EAST-NORTH EAST-SOUTH RAMP	Rural	0.113	3010	13	2672	325	21	108	23	3	16	140	6	9	0	0
30	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.168	2870	12	2504	353	26	135	28	3	15	132	6	8	0	0
30	NORTH-EAST SOUTH-EAST RAMP	Rural	0.081	2910	13	2540	358	27	137	29	3	15	133	6	8	0	0
30	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.280	3120	14	2773	334	37	189	40	5	6	53	2	3	0	0
30	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.199	3300	15	2982	303	29	146	31	4	9	77	3	4	0	0
30	I 35 INTERCHANGE	Rural	0.788	31800	144	29328	2328	138	706	149	17	121	1085	47	67	25058	1834
30	INTERSECTION CO RD R70	Rural	1.561	17100	76	15512	1512	83	424	89	10	83	745	32	46	26693	2360
30	WEST LIMITS OF NEVADA	Rural	2.766	15800	72	14565	1163	62	317	67	8	65	584	25	36	43703	3217
30	INTERSECTION CO RD S14	Municipal	1.267	14800	67	13584	1149	61	313	66	8	64	577	25	35	18752	1456
30	JUNCTION 6TH STREET	Municipal	0.494	14500	66	13366	1068	50	256	54	6	64	577	25	35	7163	528
30	EAST LIMITS OF NEVEDA AT
30	19TH STREET INTERCHANGE	Municipal	0.974	12000	54	10881	1065	50	256	54	6	64	574	25	35	11688	1037
30	EAST-NORTH EAST-SOUTH RAMP	Rural	0.319	980	5	932	43	4	19	4	0	1	13	1	1	0	0
30	NORTH-EAST SOUTH-EAST RAMP	Rural	0.316	1330	6	1275	49	4	18	4	0	2	19	1	1	0	0
30	NORTH-WEST SOUTH-WEST LOOP	Rural	0.186	2100	10	1995	96	8	38	8	1	4	34	1	1	0	0
30	WEST-NORTH WEST-SOUTH LOOP	Rural	0.217	2150	10	2049	91	6	32	7	1	4	37	2	3	0	0
30	INTERSECTION CO RD S27	Rural	1.499	10200	44	8998	1158	61	314	66	8	65	584	25	36	15290	1736
30	INTERSECTION 680TH AVENUE	Rural	3.000	8500	36	7306	1158	61	314	66	8	65	584	25	36	25500	3474
30	W LIMITS OF COLO	Rural	1.203	8700	37	7505	1158	61	314	66	8	65	584	25	36	10466	1393
30	US 65 INTERCHANGE	Municipal	0.759	8400	37	7530	833	34	171	36	4	54	484	21	30	6376	632
30	EAST-NORTH EAST-SOUTH RAMP	Rural	0.360	310	1	267	41	1	5	1	0	3	28	1	1	0	0
30	NORTH-EAST SOUTH-EAST RAMP	Rural	0.261	330	1	275	53	1	6	1	0	4	37	2	3	0	0
30	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.249	920	4	808	108	7	34	7	1	5	49	2	3	0	0
30	NORTH-WEST SOUTH-WEST LOOP	Rural	0.242	1070	5	962	103	5	27	6	1	6	53	2	3	0	0
30	WEST LINE OF MARSHALL COUNTY	Rural	3.995	7000	30	6093	877	31	158	33	4	60	536	23	33	27965	3504
	ROUTE SUMMARY - RURAL		19.469	10744												204296	19925
	ROUTE SUMMARY - MUNICIPAL		11.813	14843												162203	11628