Iowa DOT

Volume of Traffic on the Primary Road System

Route	2014	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2014				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	8500	43	6449	2008	43	196	44	5	155	1444	53	70	33482	7910
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.242	200	1	115	84	3	13	3	0	6	55	2	2	0	0
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.261	210	1	125	84	3	14	3	0	6	53	2	2	0	0
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.242	250	1	190	59	0	2	0	0	5	47	2	2	0	0
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.261	250	1	205	43	1	3	1	0	3	32	1	1	0	0
20	US 65 INTERCHANGE	Rural	6.370	8400	42	6285	2074	47	218	49	5	158	1473	54	71	53508	13211
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.296	840	4	663	173	4	17	4	0	13	124	5	6	0	0
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.251	910	5	714	191	5	23	5	1	14	132	5	6	0	0
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.243	560	3	424	134	5	23	5	1	9	84	3	4	0	0
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.280	630	3	487	140	4	18	4	0	10	96	3	4	0	0
20	NORTH-WEST CONNECTION	Rural	0.040	580	3	468	109	3	13	3	0	8	76	3	4	0	0
20	NORTH LIMITS OF OWASA	Rural	3.084	8800	44	6591	2165	47	218	49	5	166	1549	57	74	27139	6677
20	EAST LIMITS OF OWASA	Municipal	0.725	8800	44	6591	2165	47	218	49	5	166	1549	57	74	6380	1570
20	CO RD D35 INTERCHANGE	Rural	2.786	8800	44	6591	2165	47	218	49	5	166	1549	57	74	24517	6032
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.273	50	0	45	4	0	1	0	0	0	2	0	0	0	0
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.258	120	1	115	4	0	1	0	0	0	2	0	0	0	0
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.273	510	3	491	16	1	3	1	0	1	9	0	0	0	0
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.285	450	3	435	12	0	1	0	0	1	8	0	0	0	0
20	CO RD S56 INTERCHANGE	Rural	5.663	8000	39	5816	2145	47	216	48	5	164	1535	56	73	45304	12147
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.303	540	3	446	92	4	20	4	0	6	53	2	2	0	0
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.302	200	1	168	31	1	5	1	0	2	20	1	1	0	0
20	NORTH-WEST SOUTH-WEST LOOP	Rural	0.192	180	1	149	30	1	4	1	0	2	20	1	1	0	0
20	NORTH-EAST SOUTH-EAST LOOP	Rural	0.191	520	3	418	99	5	21	5	0	6	57	2	2	0	0
20	WEST LINE OF GRUNDY COUNTY	Rural	2.616	8600	42	6283	2275	54	248	56	6	172	1605	59	77	22498	5951
	ROUTE SUMMARY - RURAL		28.651	7265												206448	51928
	ROUTE SUMMARY - MUNICIPAL		0.725	8800												6380	1570