Iowa DOT

Volume of Traffic on the Primary Road System

Route	2002	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2002				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	1.454	30400	299	28757	1337	76	228	154	24	264	511	27	53	44202	1944
20	SOUTH LIMITS OF SIOUX CITY *	Rural	0.348	16000	136	14674	1188	23	214	109	25	200	551	39	27	5568	413
20	SUNNYBROOK DRIVE INTERCHANGE *	Municipal	0.759	16000	136	14674	1188	23	214	109	25	200	551	39	27	12144	902
20	MORNINGSIDE AVENUE INTERCHANGE
20	AT EAST LIMITS OF SIOUX CITY *	Municipal	0.559	16000	136	14675	1187	23	213	109	25	200	551	39	27	8944	664
20	US 75 & IA 12 INTERCHANGE *	Rural	1.112	15800	135	14497	1167	21	196	100	23	203	557	40	27	17570	1298
20	INTERSECTION CHARLES AVENUE	Rural	3.703	12600	106	11384	1110	21	190	97	22	191	526	38	26	46658	4110
20	EAST JUNCTION CO RD K42	Rural	1.971	10400	85	9204	1110	21	190	97	22	191	526	38	26	20498	2188
20	JUNCTION CEDAR STREET AT
20	WEST LIMITS OF LAWTON	Rural	1.516	10400	86	9256	1057	21	190	97	22	178	490	35	24	15766	1602
20	EAST LIMITS OF LAWTON	Rural	0.250	8900	72	7770	1057	21	190	97	22	178	490	35	24	2225	264
20	JUNCTION IA 140 & CO RD K64	Rural	5.418	8900	72	7770	1057	21	190	97	22	178	490	35	24	48220	5727
20	JUNCTION CO RD D22	Rural	2.990	5100	40	4329	731	9	85	43	10	143	394	28	18	15249	2186
20	JUNCTION CO RD L36	Rural	11.653	3700	27	2914	758	11	100	51	12	143	394	28	18	43116	8833
20	INTERSECTION IA 31 *	Rural	0.199	4210	32	3420	758	11	100	51	12	143	394	28	18	838	151
20	WEST LIMITS OF CORRECTIONVILLE *	Rural	0.118	3920	30	3243	646	10	90	46	10	120	330	24	16	463	76
20	INTERSECTION HACKBERRY ST AT
20	EAST LIMITS OF CORRECTIONVILLE *	Municipal	0.118	3920	30	3243	646	10	90	46	10	120	330	24	16	463	76
20	JUNCTION CO RD L43	Rural	5.668	2950	21	2282	646	10	90	46	10	120	330	24	16	16721	3662
20	WEST LINE OF IDA COUNTY	Rural	0.205	2670	19	2005	646	10	90	46	10	120	330	24	16	547	132
	ROUTE SUMMARY - RURAL		35.151	6641												233439	30642
	ROUTE SUMMARY - MUNICIPAL		2.890	22752												65753	3586