Iowa DOT

Volume of Traffic on the Primary Road System

Route	2009	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2009				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	2020	19	1468	533	13	52	19	3	103	310	23	10	3434	906
20	NORTH JUNCTION US 71	Rural	7.153	1840	18	1430	392	8	31	11	2	78	236	18	7	13162	2804
20	NORTH LIMITS OF EARLY	Rural	0.633	3560	39	3047	474	14	60	22	3	86	260	20	9	2253	300
20	SOUTH LIMITS OF EARLY	Municipal	0.417	3480	38	2978	464	14	59	22	3	84	254	19	9	1451	193
20	INTERSECTION 230TH STREET	Rural	0.083	3560	39	3047	474	14	60	22	3	86	260	20	9	295	39
20	SOUTH JUNCTION US 71	Rural	2.501	3120	33	2613	474	14	60	22	3	86	260	20	9	7803	1185
20	EAST JUNCTION CO RD M50	Rural	2.993	1780	17	1336	427	12	50	18	3	79	239	18	8	5328	1278
20	WEST LIMITS OF SAC CITY	Rural	3.445	2430	25	1936	470	19	79	29	5	78	235	18	7	8371	1619
20	INTERSECTION 16TH STREET	Municipal	0.993	3310	36	2861	412	12	49	18	3	76	229	17	6	3287	409
20	INTERSECTION 5TH STREET	Municipal	0.676	5100	59	4629	412	12	49	18	3	76	229	17	6	3448	279
20	EAST LIMITS OF SAC CITY AT
20	JUNCTION PARK AVE & ASH AVE	Municipal	0.824	5000	57	4530	412	12	49	18	3	76	229	17	6	4120	339
20	JUNCTION IA 196 & CO RD N14	Rural	0.951	3070	33	2614	423	12	51	19	3	78	235	18	7	2920	402
20	WEST LIMITS OF LYTTON	Rural	4.502	2680	28	2201	451	7	31	11	2	92	278	21	9	12065	2030
20	INTERSECTION OAK AVENUE AT
20	WEST LINE OF CALHOUN COUNTY	Municipal	0.497	2100	21	1639	440	7	29	11	2	90	272	20	9	1044	219
	ROUTE SUMMARY - RURAL		23.961	2322												55631	10563
	ROUTE SUMMARY - MUNICIPAL		3.407	3918												13350	1439