Iowa DOT

Volume of Traffic on the Primary Road System

Route	2008	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2008				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
57	38 Grundy COUNTY
57	JUNCTION CO RD T13	Rural	3.165	1440	14	1236	190	10	42	16	2	32	78	6	2	4558	601
57	SOUTH LINE OF BUTLER COUNTY	Rural	0.313	1050	10	850	190	10	42	16	2	32	78	6	2	329	59
57	WEST JUNCTION CO RD T55	Rural	0.827	2240	24	2104	112	8	34	13	2	15	37	3	1	1852	93
57	EAST JUNCTION CO RD T55 *	Rural	1.047	1820	19	1677	123	9	38	14	2	16	39	3	2	1906	129
57	WEST LINE OF BLACK HAWK COUNTY	Rural	3.017	2620	28	2449	142	12	49	19	3	16	39	3	2	7905	428
	ROUTE SUMMARY - RURAL		8.369	1977												16550	1310