Iowa DOT

Volume of Traffic on the Primary Road System

Route	2016	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2016				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	1630	7	1437	186	12	63	13	2	9	79	3	4	4994	570
57	SOUTH LINE OF BUTLER COUNTY	Rural	0.414	1020	4	830	186	12	63	13	2	9	79	3	4	422	77
57	WEST JUNCTION CO RD T55	Rural	0.827	2870	13	2680	177	13	64	14	2	8	70	3	4	2373	146
57	EAST JUNCTION CO RD T55	Rural	1.047	1970	9	1784	177	13	64	14	2	8	70	3	4	2063	185
57	WEST LINE OF BLACK HAWK COUNTY	Rural	3.017	2780	13	2590	177	13	64	14	2	8	70	3	4	8387	534
	ROUTE SUMMARY - RURAL		8.369	2179												18239	1512