Iowa DOT

Volume of Traffic on the Primary Road System

Route	2013	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2013				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	8300	37	6294	1968	42	189	45	5	169	1406	49	64	32694	7752
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.242	200	1	116	83	3	13	3	0	6	53	2	2	48	20
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.261	210	1	126	83	3	14	3	0	6	52	2	2	55	22
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.242	240	1	181	58	0	2	0	0	6	46	2	2	58	14
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.261	240	1	197	42	1	3	1	0	4	31	1	1	63	11
20	US 65 INTERCHANGE	Rural	6.370	8200	36	6130	2034	47	210	51	5	172	1435	50	65	52234	12957
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.296	820	4	664	152	5	23	6	1	12	98	3	4	243	45
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.251	890	4	729	156	5	22	5	1	12	103	4	5	223	39
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.243	550	2	417	131	5	22	5	1	10	82	3	4	134	32
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.280	620	3	480	137	4	17	4	0	11	93	3	4	174	38
20	NORTH-WEST CONNECTION	Rural	0.040	570	3	460	107	3	13	3	0	9	73	3	4	23	4
20	NORTH LIMITS OF OWASA	Rural	3.084	8700	39	6587	2074	48	217	52	5	175	1460	51	66	26831	6396
20	EAST LIMITS OF OWASA	Municipal	0.725	8700	39	6587	2074	48	217	52	5	175	1460	51	66	6308	1504
20	CO RD D35 INTERCHANGE	Rural	2.786	8700	39	6587	2074	48	217	52	5	175	1460	51	66	24238	5778
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.273	50	0	46	4	0	1	0	0	0	2	0	0	14	1
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.258	120	1	114	5	0	1	0	0	0	3	0	0	31	1
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.273	500	3	467	31	1	3	1	0	3	22	1	1	137	8
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.285	440	2	405	32	2	8	2	0	2	17	1	1	125	9
20	CO RD S56 INTERCHANGE	Rural	5.663	8000	35	5945	2020	47	208	50	5	171	1426	49	64	45304	11439
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.303	530	3	495	32	1	6	1	0	2	19	1	1	161	10
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.302	200	1	159	40	1	5	1	0	3	28	1	1	60	12
20	NORTH-WEST SOUTH-WEST LOOP	Rural	0.192	180	1	121	59	2	11	3	0	4	36	1	1	35	11
20	NORTH-EAST SOUTH-EAST LOOP	Rural	0.191	620	3	544	73	3	14	3	0	5	43	2	2	118	14
20	WEST LINE OF GRUNDY COUNTY	Rural	2.616	8700	39	6635	2026	48	213	51	5	171	1425	49	64	22759	5300
	ROUTE SUMMARY - RURAL		28.651	7182												205762	49913
	ROUTE SUMMARY - MUNICIPAL		0.725	8700												6308	1504