Iowa DOT

Volume of Traffic on the Primary Road System

Route	2012	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2012				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	76	22	2	50	347	11	14	3706	921
20	US 71 INTERCHANGE	Rural	7.481	2020	10	1619	391	10	40	11	1	39	270	9	12	15112	2925
20	EAST-NORTH WEST-SOUTH RAMP*	Rural	0.344	630	3	526	100	4	17	5	1	9	60	2	2	217	34
20	NORTH-EAST SOUTH-EAST RAMP*	Rural	0.295	510	3	409	98	2	10	3	0	10	68	2	2	150	29
20	WEST-NORTH WEST-SOUTH RAMP*	Rural	0.346	470	2	371	97	3	12	3	0	9	64	2	2	163	34
20	NORTH-WEST SOUTH-WEST RAMP*	Rural	0.260	420	2	336	81	2	8	2	0	8	56	2	2	109	21
20	INTERSECTION CO RD M50*	Rural	3.037	2670	14	2166	491	13	54	15	2	48	333	11	14	8109	1491
20	INTERSECTION CO RD M54*	Rural	5.539	2670	14	2166	491	13	54	15	2	48	333	11	14	14789	2720
20	IA 196 INTERCHANGE*	Rural	1.939	2690	14	2168	508	18	73	21	2	47	323	11	14	5216	985
20	EAST-NORTH EAST-SOUTH RAMP*	Rural	0.346	320	1	112	207	2	8	2	0	23	160	5	6	111	72
20	NORTH-EAST SOUTH-EAST RAMP*	Rural	0.299	380	1	162	217	2	10	3	0	24	165	5	6	114	65
20	WEST-NORTH WEST-SOUTH RAMP*	Rural	0.307	380	2	317	61	3	13	4	0	5	34	1	1	117	19
20	NORTH-WEST SOUTH-WEST RAMP*	Rural	0.290	400	2	333	65	3	13	4	0	5	36	1	1	116	19
20	WEST LINE OF CALHOUN COUNTY*	Rural	5.629	2620	11	1804	805	15	63	18	2	84	578	19	24	14748	4531
	ROUTE SUMMARY - RURAL		27.812	2257												62777	13866