Iowa DOT

Volume of Traffic on the Primary Road System

Route	2011	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2011				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	1540	8	1364	168	12	52	15	2	10	72	2	2	4719	515
57	SOUTH LINE OF BUTLER COUNTY	Rural	0.414	920	4	748	168	12	52	15	2	10	72	2	2	381	70
57	WEST JUNCTION CO RD T55	Rural	0.827	2680	14	2514	151	15	64	19	2	6	42	1	1	2216	125
57	EAST JUNCTION CO RD T55 *	Rural	1.047	1830	9	1669	151	15	64	19	2	6	42	1	1	1916	158
57	WEST LINE OF BLACK HAWK COUNTY	Rural	3.017	2310	12	2147	151	15	64	19	2	6	42	1	1	6969	456
	ROUTE SUMMARY - RURAL		8.369	1936												16201	1324