Iowa DOT

Volume of Traffic on the Primary Road System

Route	2012	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2012				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	3.064	1560	9	1381	170	13	53	15	2	10	72	2	2	4780	521
57	SOUTH LINE OF BUTLER COUNTY	Rural	0.414	930	5	755	170	13	53	15	2	10	72	2	2	385	70
57	WEST JUNCTION CO RD T55	Rural	0.827	2720	16	2551	153	16	65	19	2	6	43	1	1	2249	127
57	EAST JUNCTION CO RD T55 *	Rural	1.047	1850	11	1687	153	16	65	19	2	6	43	1	1	1937	160
57	WEST LINE OF BLACK HAWK COUNTY	Rural	3.017	2340	14	2173	153	16	65	19	2	6	43	1	1	7060	462
	ROUTE SUMMARY - RURAL		8.369	1961												16411	1340