Iowa DOT

Volume of Traffic on the Primary Road System

Route	2007	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2007				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	12900	123	11629	1147	49	214	85	10	220	515	37	16	14487	1288
30	WEST LIMITS OF AMES	Rural	0.525	18400	180	16925	1294	64	280	111	13	231	539	39	17	9660	679
30	UNIVERSITY BLVD INTERCHANGE	Municipal	1.594	18400	180	16925	1294	64	280	111	13	231	539	39	17	29330	2063
30	US 69 INTERCHANGE	Municipal	1.518	22000	216	20345	1437	77	332	131	16	246	575	42	19	33396	2181
30	DAYTON AVENUE INTERCHANGE AT
30	EAST LIMITS OF AMES	Municipal	1.223	28900	283	26624	1991	126	548	217	26	300	701	51	23	35345	2435
30	I 35 INTERCHANGE	Rural	0.788	25700	251	23633	1813	94	408	162	19	316	737	54	23	20252	1429
30	INTERSECTION CO RD R70	Rural	1.561	12800	124	11703	972	55	237	94	11	161	376	27	12	19981	1517
30	INTERSECTION CO RD S14 AT
30	WEST LIMITS OF NEVADA	Rural	4.033	12800	122	11524	1152	55	237	94	11	211	493	36	15	51622	4646
30	JUNCTION 6TH STREET	Municipal	0.494	11700	111	10436	1152	55	237	94	11	211	493	36	15	5780	569
30	EAST LIMITS OF NEVEDA AT
30	19TH STREET INTERCHANGE	Municipal	0.974	10100	95	8920	1085	45	197	78	9	211	493	36	15	9837	1057
30	INTERSECTION CO RD S27	Rural	1.499	8700	80	7534	1085	45	197	78	9	211	493	36	15	13041	1626
30	INTERSECTION 680TH AVENUE	Rural	2.999	7500	67	6347	1085	45	197	78	9	211	493	36	15	22493	3254
30	W LIMITS OF COLO	Rural	1.203	8300	79	7422	799	45	197	78	9	131	307	22	10	9985	961
30	US 65 INTERCHANGE	Municipal	0.759	6300	58	5443	799	45	197	78	9	131	307	22	10	4782	606
30	WEST LINE OF MARSHALL COUNTY	Rural	3.995	5200	49	4591	560	26	111	44	5	104	244	18	8	20774	2237
	ROUTE SUMMARY - RURAL		17.726	10284												182295	17637
	ROUTE SUMMARY - MUNICIPAL		6.562	18054												118470	8911