Iowa DOT

Volume of Traffic on the Primary Road System

Route	2009	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2009				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	13000	148	11697	1153	52	216	80	12	183	551	42	17	14599	1295
30	WEST LIMITS OF AMES	Rural	0.525	18500	215	16982	1301	68	283	104	16	191	577	43	18	9713	683
30	UNIVERSITY BLVD INTERCHANGE	Municipal	1.594	18100	210	16617	1271	66	276	101	16	187	565	43	17	28851	2026
30	US 69 INTERCHANGE	Municipal	1.518	21700	254	20034	1410	79	327	120	19	200	601	45	18	32941	2140
30	DAYTON AVENUE INTERCHANGE AT
30	EAST LIMITS OF AMES	Municipal	1.223	28400	331	26111	1956	130	541	199	31	244	734	55	24	34733	2392
30	I 35 INTERCHANGE	Rural	0.731	25800	300	23676	1822	99	412	152	23	262	790	60	25	18860	1332
30	INTERSECTION CO RD R70	Rural	1.618	13200	153	12110	935	57	239	88	14	124	373	28	12	21358	1513
30	INTERSECTION CO RD S14 AT
30	WEST LIMITS OF NEVADA	Rural	4.033	12900	147	11595	1157	57	239	88	14	175	528	40	17	52026	4666
30	JUNCTION 6TH STREET	Municipal	0.494	11500	130	10239	1131	56	233	86	13	171	517	39	16	5681	559
30	EAST LIMITS OF NEVEDA AT
30	19TH STREET INTERCHANGE	Municipal	0.974	9900	110	8724	1065	46	193	71	11	171	517	39	16	9643	1037
30	INTERSECTION CO RD S27	Rural	1.499	8700	95	7515	1089	48	198	73	11	175	528	40	17	13041	1632
30	INTERSECTION 680TH AVENUE	Rural	2.999	7600	81	6429	1089	48	198	73	11	175	528	40	17	22792	3266
30	W LIMITS OF COLO	Rural	1.203	8400	95	7501	803	48	198	73	11	109	329	25	10	10105	966
30	US 65 INTERCHANGE	Municipal	0.759	6200	68	5349	783	46	193	71	11	106	321	24	10	4706	594
30	WEST LINE OF MARSHALL COUNTY	Rural	3.995	4830	53	4164	613	24	98	36	6	104	313	24	10	19296	2449
	ROUTE SUMMARY - RURAL		17.726	10256												181790	17802
	ROUTE SUMMARY - MUNICIPAL		6.562	17762												116555	8748