Iowa DOT

Volume of Traffic on the Primary Road System

Route	2008	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2008				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
20	97 Woodbury COUNTY
20	DUPLICATE ROUTE WITH I 129 I 29 & I 129/US75 INTERCHANGE TO LAKEPORT STREET INTERCHANGE AT
20	EAST LIMITS OF SIOUX CITY	Municipal	1.455	31300	251	27645	3399	251	665	240	16	907	1097	126	97	45542	4946
20	SOUTH LIMITS OF SIOUX CITY	Rural	0.345	23400	232	20139	3027	130	552	212	29	573	1373	112	46	8073	1044
20	SUNNYBROOK DRIVE INTERCHANGE	Municipal	0.773	23400	232	20139	3027	130	552	212	29	573	1373	112	46	18088	2340
20	MORNINGSIDE AVENUE INTERCHANGE	Municipal	0.547	24000	240	20792	2966	124	524	201	27	570	1364	112	46	13128	1622
20	EAST LIMITS OF SIOUX CITY	Municipal	0.495	20300	198	17201	2899	116	492	189	26	566	1354	111	46	10049	1435
20	US 75 & IA 12 INTERCHANGE	Rural	0.627	20300	198	17201	2899	116	492	189	26	566	1354	111	46	12728	1818
20	INTERSECTION CHARLES AVENUE	Rural	3.700	9500	96	8366	1036	35	147	56	8	216	516	42	17	35150	3833
20	EAST JUNCTION CO RD K42	Rural	2.052	9000	91	7872	1036	35	147	56	8	216	516	42	17	18468	2126
20	JUNCTION CEDAR STREET AT
20	WEST LIMITS OF LAWTON	Rural	1.409	8700	88	7588	1023	33	139	53	7	216	516	42	17	12258	1441
20	EAST LIMITS OF LAWTON	Municipal	0.252	7400	73	6299	1028	35	147	56	8	213	511	42	17	1865	259
20	JUNCTION IA 140 & CO RD K64	Rural	5.460	6800	66	5697	1036	35	147	56	8	216	516	42	17	37128	5657
20	JUNCTION CO RD D22	Rural	2.980	3940	38	3305	596	18	77	30	4	127	305	25	10	11741	1776
20	JUNCTION CO RD L36	Rural	11.670	2150	18	1558	574	15	64	25	3	127	305	25	10	25091	6699
20	INTERSECTION IA 31	Rural	0.212	2280	19	1687	574	15	64	25	3	127	305	25	10	483	122
20	WEST LIMITS OF CORRECTIONVILLE	Rural	0.124	2400	20	1768	611	13	57	22	3	141	337	28	11	298	76
20	INTERSECTION HACKBERRY ST AT
20	EAST LIMITS OF CORRECTIONVILLE	Municipal	0.124	2370	20	1745	604	13	56	22	3	139	333	27	11	294	75
20	JUNCTION CO RD L43	Rural	5.639	2280	19	1650	611	13	57	22	3	141	337	28	11	12857	3445
20	WEST LINE OF IDA COUNTY	Rural	0.221	2360	20	1729	611	13	57	22	3	141	337	28	11	522	135
	ROUTE SUMMARY - RURAL		34.439	5076												174797	28172
	ROUTE SUMMARY - MUNICIPAL		3.646	24401												88966	10677