Iowa DOT

Volume of Traffic on the Primary Road System

Route	2014	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2014				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	1520	9	1337	174	12	57	13	1	8	76	3	4	4657	533
57	SOUTH LINE OF BUTLER COUNTY	Rural	0.414	950	5	771	174	12	57	13	1	8	76	3	4	393	72
57	WEST JUNCTION CO RD T55	Rural	0.827	2690	17	2507	166	13	59	13	1	7	67	2	3	2225	137
57	EAST JUNCTION CO RD T55	Rural	1.047	1840	11	1663	166	13	59	13	1	7	67	2	3	1926	174
57	WEST LINE OF BLACK HAWK COUNTY	Rural	3.017	2600	16	2418	166	13	59	13	1	7	67	2	3	7844	501
	ROUTE SUMMARY - RURAL		8.369	2037												17045	1417