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	40 Hamilton COUNTY
20	IA 17 & CO RD R21 WEST INTCHG	Rural	1.400	8100	82	6470	1547	40	167	61	9	293	882	66	27	11340	2166
20	WEST LIMITS OF WEBSTER CITY	Rural	2.789	8500	84	6639	1776	38	159	58	9	349	1051	79	33	23707	4953
20	EAST LIMITS OF WEBSTER CITY	Municipal	0.248	8500	84	6639	1776	38	159	58	9	349	1051	79	33	2108	440
20	WEST LIMITS OF WEBSTER CITY	Rural	0.505	8500	84	6639	1776	38	159	58	9	349	1051	79	33	4293	897
20	IA 17 & SUPERIOR ST EAST INTCHG	Municipal	1.005	8500	84	6639	1776	38	159	58	9	349	1051	79	33	8543	1785
20	EAST LIMITS OF WEBSTER CITY	Municipal	1.242	7800	74	5874	1851	36	149	55	8	370	1115	84	35	9688	2299
20	CO RD R38 INTERCHANGE	Rural	3.723	7800	74	5874	1851	36	149	55	8	370	1115	84	35	29039	6891
20	US 69 INTERCHANGE	Rural	4.009	7800	74	5862	1863	36	151	56	9	372	1120	84	35	31270	7469
20	I 35 INTERCHANGE	Rural	3.635	7400	69	5438	1892	34	139	51	8	383	1154	87	35	26899	6877
20	CO RD R77 INTERCHANGE	Rural	2.453	7800	75	5927	1797	34	139	51	8	361	1088	82	33	19133	4408
20	WEST LINE OF HARDIN COUNTY	Rural	2.977	7700	74	5840	1786	35	144	53	8	357	1075	81	33	22923	5317
	ROUTE SUMMARY - RURAL		21.491	7845												168604	38978
	ROUTE SUMMARY - MUNICIPAL		2.495	8152												20339	4524