Iowa DOT

Volume of Traffic on the Primary Road System

Route	2007	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2007				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	42 Hardin COUNTY
20	CO RD S27 INTERCHANGE	Rural	3.939	7200	56	5275	1869	28	120	48	6	466	1088	79	34	28361	7362
20	US 65 INTERCHANGE	Rural	6.370	7200	56	5303	1840	29	127	50	6	455	1062	77	34	45864	11721
20	NORTH LIMITS OF OWASA	Rural	3.084	7900	63	5983	1853	31	136	54	6	454	1061	77	34	24364	5715
20	NORTH LIMITS OF OWASA	Municipal	0.725	7800	63	5918	1818	31	133	53	6	446	1041	76	33	5655	1318
20	CO RD D35 INTERCHANGE	Rural	2.786	7900	63	5983	1853	31	136	54	6	454	1061	77	34	22009	5162
20	CO RD S56 INTERCHANGE	Rural	5.663	7400	58	5443	1899	31	134	53	6	468	1093	80	34	41906	10754
20	WEST LINE OF GRUNDY COUNTY	Rural	2.616	8000	64	6019	1916	34	148	58	7	466	1089	79	34	20928	5012
	ROUTE SUMMARY - RURAL		24.458	7500												183432	45726
	ROUTE SUMMARY - MUNICIPAL		0.725	7800												5655	1318