Iowa DOT

Volume of Traffic on the Primary Road System

Route	2015	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2015				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
71	21 Clay COUNTY
71	NORTH JUNCTION IA 10	Rural	1.000	3450	15	2850	585	24	117	26	3	40	343	14	19	3450	585
71	INTERSECTION CO RD B53	Rural	5.935	2600	12	2185	403	23	112	25	3	23	199	8	11	15431	2392
71	SOUTH JUNCTION CO RD B40	Rural	4.011	4000	19	3578	403	23	112	25	3	23	199	8	11	16044	1616
71	SOUTH LIMITS OF SPENCER	Rural	2.610	3730	18	3309	403	23	112	25	3	23	199	8	11	9735	1052
71	NORTH LIMITS OF SPENCER AT
71	INTERSECTION 25TH STREET SOUTH	Municipal	0.414	3730	18	3309	403	23	112	25	3	23	199	8	11	1544	167
71	WEST LIMITS OF SPENCER	Rural	0.101	4440	21	4016	403	23	112	25	3	23	199	8	11	448	41
71	JCT 11TH ST SW & 11TH AVE SW	Municipal	0.828	5400	26	4970	403	23	112	25	3	23	199	8	11	4471	334
71	INTERSECTION 4TH AVENUE SW	Municipal	0.502	8000	40	7557	403	23	112	25	3	23	199	8	11	4016	202
71	SOUTH JCT US 18 & GRAND PLAZA DR	Municipal	0.359	12200	63	11734	403	23	112	25	3	23	199	8	11	4380	145
71	DUPLICATE ROUTE WITH US 18 NORTH JCT US 18 & EAST 44TH ST AT NORTH LIMITS OF SPENCER TO
71	INTERSECTION CO RD B17	Rural	1.969	9800	48	9096	656	45	219	48	5	32	280	11	15	19296	1292
71	INTERSECTION CO RD B14	Rural	1.993	8700	43	8001	656	45	219	48	5	32	280	11	15	17339	1307
71	SOUTH LINE OF DICKINSON COUNTY	Rural	0.972	9200	45	8498	656	45	219	48	5	32	280	11	15	8942	638
	ROUTE SUMMARY - RURAL		18.591	4878												90685	8923
	ROUTE SUMMARY - MUNICIPAL		2.103	6853												14411	848