Iowa DOT

Volume of Traffic on the Primary Road System

Route	2013	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2013				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	81 Sac COUNTY
20	JUNCTION IA 110	Rural	1.700	2180	10	1628	542	18	79	19	2	42	353	12	16	3706	921
20	US 71 INTERCHANGE	Rural	7.203	2020	10	1619	391	9	42	10	1	33	274	10	13	14550	2816
20	EAST-NORTH WEST-SOUTH RAMP*	Rural	0.344	630	3	527	100	4	18	4	0	7	61	2	2	217	34
20	NORTH-EAST SOUTH-EAST RAMP*	Rural	0.295	510	2	410	98	2	10	2	0	8	69	2	3	150	29
20	WEST-NORTH WEST-SOUTH RAMP*	Rural	0.346	470	2	370	97	3	13	3	0	8	65	2	2	163	34
20	NORTH-WEST SOUTH-WEST RAMP*	Rural	0.260	420	2	337	81	2	9	2	0	7	57	2	2	109	21
20	INTERSECTION CO RD M50*	Rural	3.040	2670	13	2167	491	13	56	14	1	41	339	12	16	8117	1493
20	INTERSECTION CO RD M54*	Rural	5.497	2670	13	2167	491	13	56	14	1	41	339	12	16	14677	2699
20	IA 196 INTERCHANGE*	Rural	1.941	2690	13	2169	508	17	77	18	2	39	328	11	14	5221	986
20	EAST-NORTH EAST-SOUTH RAMP*	Rural	0.346	320	1	112	207	2	8	2	0	20	163	6	7	111	72
20	NORTH-EAST SOUTH-EAST RAMP*	Rural	0.299	380	1	162	217	2	10	2	0	20	168	6	7	114	65
20	WEST-NORTH WEST-SOUTH RAMP*	Rural	0.307	380	2	317	61	3	13	3	0	4	34	1	1	117	19
20	NORTH-WEST SOUTH-WEST RAMP*	Rural	0.290	400	2	333	65	3	14	3	0	4	37	1	1	116	19
20	WEST LINE OF CALHOUN COUNTY*	Rural	5.035	2620	11	1805	804	15	66	16	2	71	588	20	25	13192	4048
	ROUTE SUMMARY - RURAL		26.903	2251												60560	13256