Iowa DOT

Volume of Traffic on the Primary Road System

Route	2004	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2004				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	1.456	28100	253	25071	2773	89	418	250	19	587	1230	64	116	40914	4037
20	SOUTH LIMITS OF SIOUX CITY	Rural	0.353	20800	162	18066	2570	60	390	176	29	468	1304	93	49	7342	907
20	SUNNYBROOK DRIVE INTERCHANGE	Municipal	0.762	20800	162	18066	2570	60	390	176	29	468	1304	93	49	15850	1958
20	MORNINGSIDE AVENUE INTERCHANGE
20	AT EAST LIMITS OF SIOUX CITY	Municipal	0.549	19700	153	17056	2489	56	364	164	27	459	1279	92	47	10815	1366
20	US 75 & IA 12 INTERCHANGE	Rural	1.123	16900	129	14367	2403	53	341	154	25	448	1247	89	46	18979	2699
20	INTERSECTION CHARLES AVENUE	Rural	3.702	9500	77	8600	822	16	101	46	8	159	444	32	17	35169	3043
20	EAST JUNCTION CO RD K42	Rural	1.954	9000	73	8104	822	16	101	46	8	159	444	32	17	17586	1606
20	JUNCTION CEDAR STREET AT
20	WEST LIMITS OF LAWTON	Rural	1.491	9000	73	8104	822	16	101	46	8	159	444	32	17	13419	1226
20	EAST LIMITS OF LAWTON	Municipal	0.253	7500	59	6618	822	16	101	46	8	159	444	32	17	1898	208
20	JUNCTION IA 140 & CO RD K64	Rural	5.456	7500	59	6618	822	16	101	46	8	159	444	32	17	40920	4485
20	JUNCTION CO RD D22	Rural	2.984	5100	39	4294	767	14	89	40	7	151	420	30	15	15218	2289
20	JUNCTION CO RD L36	Rural	11.611	3760	27	2975	758	13	84	38	6	151	420	30	15	43657	8801
20	INTERSECTION IA 31	Rural	0.214	4100	30	3312	758	13	84	38	6	151	420	30	15	877	162
20	WEST LIMITS OF CORRECTIONVILLE	Rural	0.119	3540	26	2903	611	13	85	38	6	114	319	23	12	421	73
20	INTERSECTION HACKBERRY ST AT
20	EAST LIMITS OF CORRECTIONVILLE	Municipal	0.127	3500	26	2870	604	13	84	38	6	113	315	23	12	445	77
20	JUNCTION CO RD L43	Rural	5.636	3040	22	2407	611	13	85	38	6	114	319	23	12	17133	3444
20	WEST LINE OF IDA COUNTY	Rural	0.214	2810	20	2179	611	13	85	38	6	114	319	23	12	601	131
	ROUTE SUMMARY - RURAL		34.857	6063												211322	28866
	ROUTE SUMMARY - MUNICIPAL		3.147	22218												69922	7646