Iowa DOT

Volume of Traffic on the Primary Road System

Route	2015	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2015				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
80	79 Poweshiek COUNTY
80	IA 146 INTERCHANGE	Rural	2.033	28800	92	19043	9665	242	888	176	10	525	7496	101	228	58550	19649
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.280	1400	6	1249	145	9	33	7	0	6	86	1	2	0	0
80	NORTH-EAST SOUTH-EAST RAMP	Rural	0.292	1160	5	1044	111	8	30	6	0	4	59	1	2	0	0
80	WEST-NORTH WEST-SOUTH RAMP	Rural	0.267	1660	7	1407	246	26	94	19	1	7	96	1	2	0	0
80	NORTH-WEST SOUTH-WEST RAMP	Rural	0.311	2240	9	1934	297	30	110	22	1	8	120	2	4	0	0
80	US 63 INTERCHANGE	Rural	9.043	27500	87	18034	9379	204	748	148	9	520	7426	100	224	248683	84814
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.280	600	2	470	127	7	26	5	0	6	80	1	2	0	0
80	NORTH-EAST SOUTH-EAST RAMP	Rural	0.267	710	3	541	166	13	48	10	1	6	85	1	2	0	0
80	WEST-NORTH WEST-SOUTH RAMP	Rural	0.267	740	3	667	70	6	22	4	0	2	33	0	1	0	0
80	NORTH-WEST SOUTH-WEST RAMP	Rural	0.280	770	3	708	59	4	15	3	0	2	33	0	1	0	0
80	CO RD V18 INTERCHANGE	Rural	5.542	27300	85	17673	9542	213	784	156	9	527	7524	101	228	151297	52882
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.267	420	1	285	134	7	26	5	0	6	85	1	2	0	0
80	NORTH-EAST SOUTH-EAST RAMP	Rural	0.280	440	2	337	101	5	18	4	0	5	66	1	2	0	0
80	WEST-NORTH WEST-SOUTH RAMP	Rural	0.280	440	2	330	108	7	24	5	0	5	65	1	2	0	0
80	NORTH-WEST SOUTH-WEST RAMP	Rural	0.298	450	2	327	122	6	22	4	0	6	81	1	2	0	0
80	IA 21 INTERCHANGE	Rural	4.523	27300	85	17668	9547	213	782	155	9	528	7531	101	228	123478	43181
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.360	1060	3	601	456	8	31	6	0	26	368	5	12	0	0
80	NORTH-EAST SOUTH-EAST RAMP	Rural	0.342	1140	3	643	493	9	32	6	0	28	400	5	12	0	0
80	NORTH-WEST SOUTH-WEST LOOP	Rural	0.242	1040	3	656	381	6	24	5	0	22	311	4	10	0	0
80	WEST-NORTH WEST-SOUTH LOOP	Rural	0.218	1200	3	710	486	6	21	4	0	29	409	6	13	0	0
80	WEST LINE OF IOWA COUNTY	Rural	3.000	27300	85	17588	9627	218	801	159	9	531	7578	102	230	81900	28881
	ROUTE SUMMARY - RURAL		28.672	23309												663908	229407