Iowa DOT

Volume of Traffic on the Primary Road System

Route	2005	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2005				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	1.124	12200	102	11131	966	32	185	79	10	187	429	30	14	13713	1086
30	WEST LIMITS OF AMES	Rural	0.525	17300	146	15916	1236	58	335	143	18	193	443	31	15	9083	649
30	EAST LIMITS OF AMES	Municipal	0.891	17200	145	15820	1233	58	334	143	18	192	442	31	15	15325	1099
30	WEST LIMITS OF AMES	Municipal	0.050	17300	146	15916	1236	58	335	143	18	193	443	31	15	865	62
30	ELWOOD DRIVE INTERCHANGE	Municipal	0.652	17200	145	15820	1233	58	334	143	18	192	442	31	15	11214	804
30	US 69 INTERCHANGE	Municipal	1.518	21000	179	19454	1366	68	393	168	22	202	465	32	15	31878	2074
30	DAYTON AVENUE INTERCHANGE AT
30	EAST LIMITS OF AMES	Municipal	1.222	26200	222	24222	1753	83	476	204	26	273	627	43	21	32016	2142
30	I 35 INTERCHANGE	Rural	0.787	25300	210	22918	2170	94	542	232	30	360	828	57	27	19911	1708
30	JUNCTION SAND HILL TRAIL	Rural	0.843	14400	121	13134	1144	51	293	126	16	186	428	30	14	12139	964
30	INTERSECTION CO RD R70	Rural	0.719	14300	120	13035	1144	51	293	126	16	186	428	30	14	10282	823
30	INTERSECTION CO RD S14 AT
30	WEST LIMITS OF NEVADA	Rural	4.033	13600	113	12301	1185	58	336	144	19	178	409	28	14	54849	4779
30	JUNCTION 6TH STREET	Municipal	0.494	12800	106	11522	1171	57	331	142	18	176	404	28	14	6323	578
30	EAST LIMITS OF NEVEDA AT
30	19TH STREET INTERCHANGE	Municipal	0.974	10700	87	9508	1104	55	315	135	17	165	378	26	13	10422	1075
30	INTERSECTION CO RD S27	Rural	1.499	9600	77	8403	1119	55	320	137	18	167	383	26	13	14390	1677
30	INTERSECTION 680TH AVENUE	Rural	2.999	7500	58	6322	1119	55	320	137	18	167	383	26	13	22493	3356
30	JUNCTION WEST STREET (COLO)	Rural	1.596	7400	59	6442	898	30	173	74	10	173	397	27	13	11810	1433
30	US 65 INTERCHANGE	Municipal	0.367	7200	57	6244	898	30	173	74	10	173	397	27	13	2642	330
30	WEST LINE OF MARSHALL COUNTY	Rural	3.995	4680	37	4065	577	23	132	57	7	101	233	16	7	18697	2305
	ROUTE SUMMARY - RURAL		18.120	10340												187367	18780
	ROUTE SUMMARY - MUNICIPAL		6.168	17945												110685	8164