Iowa DOT

Volume of Traffic on the Primary Road System

Route	2010	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2010				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	7800	38	5947	1816	36	159	44	5	204	1292	33	42	30724	7153
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.242	210	1	132	77	1	6	2	0	9	56	1	1	51	19
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.261	250	1	169	80	3	12	3	0	8	50	1	1	65	21
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.242	230	1	181	48	2	7	2	0	5	30	1	1	56	12
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.261	230	1	191	38	2	7	2	0	4	22	1	1	60	10
20	US 65 INTERCHANGE	Rural	6.370	7800	37	5876	1887	37	163	45	5	212	1345	35	45	49686	12020
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.296	850	4	661	185	4	16	4	0	21	132	3	4	252	55
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.251	940	5	773	162	3	14	4	0	18	115	3	4	236	41
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.243	570	3	422	146	3	12	3	0	16	104	3	3	139	35
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.280	600	3	453	144	5	20	6	1	15	93	2	2	168	40
20	NORTH-WEST CONNECTION	Rural	0.040	550	3	422	125	4	18	5	1	13	81	2	2	22	5
20	NORTH LIMITS OF OWASA	Rural	3.084	8400	41	6414	1945	37	161	45	5	220	1395	36	46	25906	5998
20	EAST LIMITS OF OWASA	Municipal	0.725	8400	41	6423	1936	36	160	45	5	219	1389	36	46	6090	1404
20	CO RD D35 INTERCHANGE	Rural	2.786	8400	41	6414	1945	37	161	45	5	220	1395	36	46	23402	5419
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.273	60	0	53	7	0	1	0	0	1	4	0	0	16	2
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.258	80	0	74	5	0	2	1	0	0	2	0	0	21	1
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.273	530	3	503	24	1	6	2	0	2	12	0	0	145	7
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.285	360	2	341	17	1	3	1	0	2	10	0	0	103	5
20	CO RD S56 INTERCHANGE	Rural	5.663	7700	36	5748	1916	35	155	43	5	218	1379	36	46	43605	10850
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.303	510	3	437	70	5	24	7	1	4	27	1	1	155	21
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.302	160	1	119	40	1	3	1	0	5	29	1	1	48	12
20	NORTH-WEST SOUTH-WEST LOOP	Rural	0.192	190	1	149	41	1	5	1	0	4	27	1	1	36	8
20	NORTH-EAST SOUTH-EAST LOOP	Rural	0.191	400	2	364	33	3	12	3	0	2	12	0	0	76	6
20	WEST LINE OF GRUNDY COUNTY	Rural	2.616	8200	39	6222	1939	42	183	51	6	215	1363	35	45	21451	5072
	ROUTE SUMMARY - RURAL		28.651	6856												196423	46812
	ROUTE SUMMARY - MUNICIPAL		0.725	8400												6090	1404