Iowa DOT

Volume of Traffic on the Primary Road System

Route	2015	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2015				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	19500	92	17184	2225	76	372	82	8	162	1393	56	77	19461	2221
75	NORTH LIMITS OF SOUIX CITY	Municipal	0.509	19500	92	17184	2225	76	372	82	8	162	1393	56	77	9926	1133
75	EAST LIMITS OF SOUIX CITY	Municipal	1.236	19500	92	17184	2225	76	372	82	8	162	1393	56	77	24102	2750
75	28TH STREET INTERCHANGE	Municipal	0.567	19500	92	17184	2225	76	372	82	8	162	1393	56	77	11057	1262
75	EAST-NORTH WEST-NORTH RAMP	Municipal	0.275	60	0	51	8	0	2	0	0	0	4	0	0	0	0
75	SOUTH-EAST SOUTH-WEST RAMP	Municipal	0.225	4320	21	3988	310	15	71	16	2	20	171	7	9	0	0
75	EAST-SOUTH WEST-SOUTH RAMP	Municipal	0.309	4440	22	4058	361	19	95	21	2	21	184	7	10	0	0
75	NORTH-EAST NORTH-WEST RAMP	Municipal	0.297	140	1	125	15	0	2	0	0	1	10	0	0	0	0
75	46TH STREET INTERCHANGE	Municipal	2.014	11000	50	9373	1577	43	209	46	5	122	1052	42	57	22154	3176
75	SOUTH-EAST SOUTH-WEST LOOP	Municipal	0.213	350	2	321	27	2	9	2	0	1	12	0	0	0	0
75	EAST-SOUTH WEST-SOUTH LOOP	Municipal	0.170	340	2	313	25	2	10	2	0	1	9	0	0	0	0
75	IA 376 INERCHANGE	Municipal	0.734	10300	47	8729	1525	39	191	42	4	120	1031	41	56	7560	1119
75	SOUTH LINE OF PLYMOUTH COUNTY	Municipal	0.461	18600	59	16228	2313	42	449	67	7	174	1298	116	158	8575	1066
	ROUTE SUMMARY - RURAL		0.998	19500												19461	2221
	ROUTE SUMMARY - MUNICIPAL		7.010	12255												83374	10506