Iowa DOT

Volume of Traffic on the Primary Road System

Route	2008	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2008				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	8200	70	6103	2026	25	107	41	6	503	1205	99	40	32300	7980
20	US 65 INTERCHANGE	Rural	6.370	7800	66	5730	2004	28	119	46	6	492	1178	96	40	49686	12765
20	NORTH LIMITS OF OWASA	Rural	3.084	7800	67	5843	1889	31	133	51	7	454	1087	89	36	24055	5826
20	NORTH LIMITS OF OWASA	Municipal	0.725	7800	67	5843	1889	31	133	51	7	454	1087	89	36	5655	1370
20	CO RD D35 INTERCHANGE	Rural	2.786	7800	67	5843	1889	31	133	51	7	454	1087	89	36	21731	5263
20	CO RD S56 INTERCHANGE	Rural	5.663	7300	62	5346	1892	31	132	51	7	456	1091	89	36	41340	10714
20	WEST LINE OF GRUNDY COUNTY	Rural	2.616	7900	69	5948	1882	34	145	56	8	447	1069	88	36	20666	4923
	ROUTE SUMMARY - RURAL		24.458	7759												189778	47471
	ROUTE SUMMARY - MUNICIPAL		0.725	7800												5655	1370