Iowa DOT

Volume of Traffic on the Primary Road System

Route	2007	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2007				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
21	7 Black Hawk COUNTY
21	INTERSECTION CO RD D46	Rural	3.007	1590	15	1423	152	7	32	13	2	27	64	5	2	4781	457
21	INTERSECTION CO RD D35	Rural	4.039	1960	19	1775	166	9	41	16	2	27	64	5	2	7916	670
21	SOUTH LIMITS OF WATERLOO	Rural	1.502	2770	27	2528	215	16	70	28	3	27	64	5	2	4161	323
21	INTERSECTION EAST ORANGE ROAD	Municipal	0.505	2660	26	2426	208	15	66	26	3	27	63	5	2	1343	105
21	US 20 INTERCHANGE *	Municipal	1.822	4730	36	4477	216	13	71	34	3	17	70	5	2	8618	394
	ROUTE SUMMARY - RURAL		8.548	1972												16858	1450
	ROUTE SUMMARY - MUNICIPAL		2.327	4281												9961	499