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
75	97 Woodbury COUNTY
75	DUPLICATE ROUTE WITH US 20 US 20 & IA 12 INTERCHANGE TO
75	SOUTH LIMITS OF SIOUX CITY	Rural	0.998	20100	87	17721	2292	76	387	82	9	159	1430	61	87	20060	2287
75	NORTH LIMITS OF SOUIX CITY	Municipal	0.509	19900	86	17549	2265	75	383	81	9	157	1413	61	87	10129	1153
75	EAST LIMITS OF SOUIX CITY	Municipal	1.236	19900	86	17549	2265	75	383	81	9	157	1413	61	87	24596	2800
75	28TH STREET INTERCHANGE	Municipal	0.567	19900	86	17549	2265	75	383	81	9	157	1413	61	87	11283	1284
75	EAST-NORTH WEST-NORTH RAMP	Municipal	0.275	60	0	52	8	0	2	0	0	0	4	0	0	0	0
75	SOUTH-EAST SOUTH-WEST RAMP	Municipal	0.225	4400	20	4064	316	14	73	15	2	19	174	7	11	0	0
75	EAST-SOUTH WEST-SOUTH RAMP	Municipal	0.309	4520	20	4132	367	19	98	21	2	21	187	8	12	0	0
75	NORTH-EAST NORTH-WEST RAMP	Municipal	0.297	140	1	124	15	0	2	0	0	1	10	0	0	0	0
75	46TH STREET INTERCHANGE	Municipal	2.014	11200	47	9548	1605	42	215	45	5	119	1067	46	66	22557	3232
75	SOUTH-EAST SOUTH-WEST LOOP	Municipal	0.213	360	2	331	27	2	9	2	0	1	12	0	0	0	0
75	EAST-SOUTH WEST-SOUTH LOOP	Municipal	0.170	350	2	323	25	2	10	2	0	1	9	0	0	0	0
75	IA 376 INERCHANGE	Municipal	0.734	10500	44	8904	1552	38	196	41	5	116	1046	45	64	7707	1139
75	SOUTH LINE OF PLYMOUTH COUNTY	Municipal	0.461	18900	58	16489	2354	46	456	66	7	168	1311	125	175	8713	1085
	ROUTE SUMMARY - RURAL		0.998	20100												20060	2287
	ROUTE SUMMARY - MUNICIPAL		7.010	12492												84985	10693