Iowa DOT

Volume of Traffic on the Primary Road System

Route	2004	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2004				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
380	52 Johnson COUNTY
380	I 80 & US 218 INTERCHANGE TO
380	SOUTH LIMITS OF CORALVILLE	Rural	1.770	32500	228	26235	6035	225	613	195	15	1229	3393	109	255	57525	10682
380	NORTH LIMITS OF CORALVILLE AT
380	SOUTH LIMITS OF NORTH LIBERTY	Municipal	0.246	32500	228	26235	6035	225	613	195	15	1229	3393	109	255	7995	1485
380	NORTH LIMITS OF NORTH LIBERTY	Municipal	0.521	32500	228	26235	6035	225	613	195	15	1229	3393	109	255	16933	3144
380	CO RD F28 INTERCHANGE	Rural	1.498	32500	228	26235	6035	225	613	195	15	1229	3393	109	255	48685	9040
380	CO RD F12 INTERCHANGE	Rural	6.817	35700	256	29513	5928	221	603	192	15	1207	3331	107	251	243367	40411
380	SOUTH LINE OF LINN COUNTY	Rural	0.947	40200	294	33918	5985	233	634	202	15	1208	3335	107	251	38069	5668
	ROUTE SUMMARY - RURAL		11.032	35138												387646	65801
	ROUTE SUMMARY - MUNICIPAL		0.767	32500												24928	4629