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
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	30600	277	27422	2898	160	400	150	10	937	1002	117	121	44523	4217
20	SOUTH LIMITS OF SIOUX CITY	Rural	0.345	23800	221	20817	2760	87	375	149	18	595	1391	101	44	8211	952
20	SUNNYBROOK DRIVE INTERCHANGE	Municipal	0.773	23800	221	20817	2760	87	375	149	18	595	1391	101	44	18397	2133
20	MORNINGSIDE AVENUE INTERCHANGE	Municipal	0.547	24400	227	21402	2769	88	383	152	18	594	1389	101	44	13347	1515
20	EAST LIMITS OF SIOUX CITY	Municipal	0.495	20700	189	17788	2722	84	363	144	17	590	1379	100	44	10247	1347
20	US 75 & IA 12 INTERCHANGE	Rural	0.627	20700	189	17788	2722	84	363	144	17	590	1379	100	44	12979	1707
20	INTERSECTION CHARLES AVENUE	Rural	3.700	9700	91	8566	1042	33	141	56	7	225	526	38	17	35890	3855
20	EAST JUNCTION CO RD K42	Rural	1.956	9200	86	8072	1042	33	141	56	7	225	526	38	17	17995	2038
20	JUNCTION CEDAR STREET AT
20	WEST LIMITS OF LAWTON	Rural	1.494	8900	83	7774	1042	33	141	56	7	225	526	38	17	13297	1557
20	EAST LIMITS OF LAWTON	Municipal	0.252	7600	69	6489	1042	33	141	56	7	225	526	38	17	1915	263
20	JUNCTION IA 140 & CO RD K64	Rural	5.460	6900	62	5796	1042	33	141	56	7	225	526	38	17	37674	5689
20	JUNCTION CO RD D22	Rural	2.980	4010	36	3367	607	18	78	31	4	133	311	23	10	11950	1809
20	JUNCTION CO RD L36	Rural	11.625	2190	17	1588	585	15	65	26	3	133	311	23	10	25459	6801
20	INTERSECTION IA 31	Rural	0.212	2320	18	1716	585	15	65	26	3	133	311	23	10	492	124
20	WEST LIMITS OF CORRECTIONVILLE	Rural	0.124	2440	19	1798	622	13	58	23	3	147	343	25	11	303	77
20	INTERSECTION HACKBERRY ST AT
20	EAST LIMITS OF CORRECTIONVILLE	Municipal	0.124	2440	19	1798	622	13	58	23	3	147	343	25	11	303	77
20	JUNCTION CO RD L43	Rural	5.639	2320	18	1680	622	13	58	23	3	147	343	25	11	13082	3507
20	WEST LINE OF IDA COUNTY	Rural	0.221	2400	19	1759	622	13	58	23	3	147	343	25	11	530	137
	ROUTE SUMMARY - RURAL		34.383	5173												177862	28253
	ROUTE SUMMARY - MUNICIPAL		3.646	24337												88732	9552