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
20	13 Calhoun COUNTY
20	IA 4 INTERCHANGE*	Rural	9.581	4500	23	3417	1060	19	88	20	2	84	781	29	38	43115	10156
20	EAST-NORTH EAST-SOUTH RAMP*	Rural	0.297	720	4	624	92	3	14	3	0	6	60	2	3	0	0
20	NORTH-EAST SOUTH-EAST RAMP*	Rural	0.281	720	4	624	92	3	14	3	0	6	60	2	3	0	0
20	WEST-NORTH WEST-SOUTH RAMP *	Rural	0.414	670	3	462	205	7	30	7	1	14	135	5	6	0	0
20	NORTH-WEST SOUTH-WEST *	Rural	0.415	590	3	415	173	5	24	5	1	12	116	4	5	0	0
20	INTERSECTION CO RD N57*	Rural	1.998	5400	30	4504	866	14	63	14	1	70	650	24	32	10789	1730
20	INTERSECTION CO RD N65*	Rural	3.933	5700	31	4720	949	20	91	20	2	73	685	25	33	22418	3732
20	INTERSECTION CO RD P19*	Rural	5.013	5900	33	4918	949	20	91	20	2	73	685	25	33	29577	4757
20	WEST LINE OF WEBSTER COUNTY*	Rural	2.994	5600	31	4621	949	20	91	20	2	73	685	25	33	16766	2841
	ROUTE SUMMARY - RURAL		24.926	4959												122665	23216