Iowa DOT

Volume of Traffic on the Primary Road System

Route	2009	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2009				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	31700	260	27994	3440	249	683	239	15	911	1129	119	95	46124	5005
20	SOUTH LIMITS OF SIOUX CITY	Rural	0.345	23900	260	20542	3096	136	567	209	32	496	1496	113	47	8246	1068
20	SUNNYBROOK DRIVE INTERCHANGE	Municipal	0.773	23700	258	20377	3063	135	561	206	32	491	1480	112	46	18320	2368
20	MORNINGSIDE AVENUE INTERCHANGE	Municipal	0.548	24300	266	21031	3001	128	532	196	30	488	1471	111	45	13316	1645
20	EAST LIMITS OF SIOUX CITY	Municipal	0.495	20500	220	17346	2933	120	500	184	28	485	1461	110	45	10148	1452
20	US 75 & IA 12 INTERCHANGE	Rural	0.627	20800	223	17609	2966	122	506	186	29	490	1477	111	46	13042	1860
20	INTERSECTION CHARLES AVENUE	Rural	3.700	9700	108	8531	1060	36	151	55	9	187	562	42	17	35890	3922
20	EAST JUNCTION CO RD K42	Rural	2.052	9200	102	8037	1060	36	151	55	9	187	562	42	17	18878	2175
20	JUNCTION CEDAR STREET AT
20	WEST LIMITS OF LAWTON	Rural	1.400	8900	98	7755	1046	34	142	52	8	187	562	42	17	12460	1464
20	EAST LIMITS OF LAWTON	Municipal	0.252	7500	81	6380	1039	36	148	55	8	183	551	42	17	1890	262
20	JUNCTION IA 140 & CO RD K64	Rural	5.460	7000	74	5866	1060	36	151	55	9	187	562	42	17	38220	5788
20	JUNCTION CO RD D22	Rural	2.980	4030	43	3376	610	19	79	29	5	110	332	25	10	12009	1818
20	JUNCTION CO RD L36	Rural	11.646	2200	20	1593	587	16	65	24	4	110	332	25	10	25621	6836
20	INTERSECTION IA 31	Rural	0.212	2330	22	1721	587	16	65	24	4	110	332	25	10	494	124
20	WEST LIMITS OF CORRECTIONVILLE	Rural	0.124	2460	23	1812	625	14	58	21	3	122	367	28	12	305	78
20	INTERSECTION HACKBERRY ST AT
20	EAST LIMITS OF CORRECTIONVILLE	Municipal	0.124	2400	22	1767	611	14	57	21	3	119	359	27	12	298	76
20	JUNCTION CO RD L43	Rural	5.639	2330	21	1683	625	14	58	21	3	122	367	28	12	13139	3524
20	WEST LINE OF IDA COUNTY	Rural	0.221	2410	22	1763	625	14	58	21	3	122	367	28	12	533	138
	ROUTE SUMMARY - RURAL		34.406	5198												178837	28795
	ROUTE SUMMARY - MUNICIPAL		3.647	24704												90096	10808