Iowa DOT

Volume of Traffic on the Primary Road System

Route	2005	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2005				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	28100	253	25066	2775	89	419	249	19	588	1232	64	116	40886	4038
20	SOUTH LIMITS OF SIOUX CITY	Rural	0.344	20900	167	18153	2578	69	397	170	22	543	1248	86	42	7190	887
20	SUNNYBROOK DRIVE INTERCHANGE	Municipal	0.773	20800	166	18060	2572	69	396	169	22	542	1246	86	42	16078	1988
20	MORNINGSIDE AVENUE INTERCHANGE
20	AT EAST LIMITS OF SIOUX CITY	Municipal	0.547	19700	157	17050	2491	64	370	158	20	532	1222	84	41	10776	1363
20	US 75 & IA 12 INTERCHANGE	Rural	1.121	17000	133	14455	2410	60	347	149	19	519	1193	82	40	19057	2702
20	INTERSECTION CHARLES AVENUE	Rural	3.700	9500	79	8595	825	18	103	44	6	185	425	29	14	35150	3053
20	EAST JUNCTION CO RD K42	Rural	1.956	9000	74	8100	825	18	103	44	6	185	425	29	14	17604	1614
20	JUNCTION CEDAR STREET AT
20	WEST LIMITS OF LAWTON	Rural	1.494	9000	74	8100	825	18	103	44	6	185	425	29	14	13446	1233
20	EAST LIMITS OF LAWTON	Municipal	0.252	7500	61	6615	823	18	103	44	6	185	425	29	14	1890	207
20	JUNCTION IA 140 & CO RD K64	Rural	5.460	7500	61	6614	825	18	103	44	6	185	425	29	14	40950	4505
20	JUNCTION CO RD D22	Rural	2.980	5100	39	4292	769	16	91	39	5	175	402	28	14	15198	2292
20	JUNCTION CO RD L36	Rural	11.625	3770	27	2982	760	15	85	36	5	175	402	28	14	43826	8835
20	INTERSECTION IA 31	Rural	0.212	4110	30	3319	760	15	85	36	5	175	402	28	14	871	161
20	WEST LIMITS OF CORRECTIONVILLE	Rural	0.124	3550	27	2911	612	15	86	37	5	133	305	21	11	440	76
20	INTERSECTION HACKBERRY ST AT
20	EAST LIMITS OF CORRECTIONVILLE	Municipal	0.124	3500	26	2870	604	15	85	36	5	131	301	21	10	434	75
20	JUNCTION CO RD L43	Rural	5.639	3050	22	2416	612	15	86	37	5	133	305	21	11	17199	3451
20	WEST LINE OF IDA COUNTY	Rural	0.221	2820	20	2188	612	15	86	37	5	133	305	21	11	623	135
	ROUTE SUMMARY - RURAL		34.876	6066												211554	28944
	ROUTE SUMMARY - MUNICIPAL		3.151	22235												70064	7671