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
71	21 Clay COUNTY
71	NORTH JUNCTION IA 10	Rural	1.000	3550	14	2933	602	24	122	26	3	39	352	15	21	3550	602
71	INTERSECTION CO RD B53	Rural	5.935	2680	11	2254	415	23	117	25	3	23	204	9	13	15906	2463
71	SOUTH JUNCTION CO RD B40	Rural	4.011	4120	18	3686	415	23	117	25	3	23	204	9	13	16525	1665
71	SOUTH LIMITS OF SPENCER	Rural	2.610	3840	17	3408	415	23	117	25	3	23	204	9	13	10022	1083
71	NORTH LIMITS OF SPENCER AT
71	INTERSECTION 25TH STREET SOUTH	Municipal	0.414	3800	17	3374	410	23	115	24	3	22	202	9	13	1573	170
71	WEST LIMITS OF SPENCER	Rural	0.101	4570	20	4135	415	23	117	25	3	23	204	9	13	462	42
71	JCT 11TH ST SW & 11TH AVE SW	Municipal	0.828	5500	25	5065	410	23	115	24	3	22	202	9	13	4554	339
71	INTERSECTION 4TH AVENUE SW	Municipal	0.502	8100	38	7652	410	23	115	24	3	22	202	9	13	4066	206
71	SOUTH JCT US 18 & GRAND PLAZA DR	Municipal	0.359	12400	59	11931	410	23	115	24	3	22	202	9	13	4452	147
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	10100	46	9378	676	45	228	48	6	32	287	12	17	19887	1331
71	INTERSECTION CO RD B14	Rural	1.993	9000	41	8283	676	45	228	48	6	32	287	12	17	17937	1347
71	SOUTH LINE OF DICKINSON COUNTY	Rural	0.972	9500	43	8781	676	45	228	48	6	32	287	12	17	9234	657
	ROUTE SUMMARY - RURAL		18.591	5031												93523	9190
	ROUTE SUMMARY - MUNICIPAL		2.103	6964												14645	862