Iowa DOT

Volume of Traffic on the Primary Road System

Route	2006	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2006				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 INTERCHANGE TO LAKEPORT STREET INTERCHANGE AT
20	EAST LIMITS OF SIOUX CITY	Municipal	1.455	27600	176	24204	3215	171	491	182	13	1006	1086	129	137	40158	4678
20	SOUTH LIMITS OF SIOUX CITY	Rural	0.345	20900	183	17800	2915	92	433	173	21	631	1415	103	47	7211	1006
20	SUNNYBROOK DRIVE INTERCHANGE	Municipal	0.773	20900	183	17800	2915	92	433	173	21	631	1415	103	47	16156	2253
20	MORNINGSIDE AVENUE INTERCHANGE
20	AT EAST LIMITS OF SIOUX CITY	Municipal	0.547	19900	174	16919	2805	82	389	156	19	620	1391	101	46	10885	1534
20	US 75 & IA 12 INTERCHANGE	Rural	1.121	17200	148	14401	2649	73	347	138	17	596	1336	97	44	19281	2970
20	INTERSECTION CHARLES AVENUE	Rural	3.700	9500	88	8582	829	22	104	41	5	189	423	31	14	35150	3067
20	EAST JUNCTION CO RD K42	Rural	1.956	9000	83	8087	829	22	104	41	5	189	423	31	14	17604	1622
20	JUNCTION CEDAR STREET AT
20	WEST LIMITS OF LAWTON	Rural	1.494	9000	83	8087	829	22	104	41	5	189	423	31	14	13446	1239
20	EAST LIMITS OF LAWTON	Municipal	0.252	7400	67	6525	807	21	100	40	5	184	413	30	14	1865	203
20	JUNCTION IA 140 & CO RD K64	Rural	5.460	7500	68	6602	829	22	104	41	5	189	423	31	14	40950	4526
20	JUNCTION CO RD D22	Rural	2.980	5100	44	4283	773	19	91	36	4	179	401	29	12	15198	2304
20	JUNCTION CO RD L36	Rural	11.625	3790	31	2995	764	18	86	34	4	179	401	29	12	44059	8882
20	INTERSECTION IA 31	Rural	0.212	4130	34	3332	764	18	86	34	4	179	401	29	12	876	162
20	WEST LIMITS OF CORRECTIONVILLE	Rural	0.124	3570	30	2924	615	18	87	35	4	135	303	22	10	443	76
20	INTERSECTION HACKBERRY ST AT
20	EAST LIMITS OF CORRECTIONVILLE	Municipal	0.124	3430	29	2809	592	18	83	33	4	130	292	21	10	425	73
20	JUNCTION CO RD L43	Rural	5.639	3070	25	2429	615	18	87	35	4	135	303	22	10	17312	3468
20	WEST LINE OF IDA COUNTY	Rural	0.221	2830	23	2192	615	18	87	35	4	135	303	22	10	625	136
	ROUTE SUMMARY - RURAL		34.877	6083												212155	29458
	ROUTE SUMMARY - MUNICIPAL		3.151	22053												69489	8741