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	97 Woodbury COUNTY
20	DUPLICATE ROUTE WITH I 129 I 29 & I 129/US75 INTERCHANGE TO LAKEPORT STREET INTERCHANGE AT
20	EAST LIMITS OF SIOUX CITY	Municipal	1.455	29300	159	26297	2844	143	603	148	16	290	1384	101	159	42632	4138
20	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.195	4170	27	4056	87	10	44	10	1	2	18	1	1	0	0
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.065	4320	28	4203	89	10	46	10	1	2	18	1	1	0	0
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.186	4060	26	3974	60	7	31	7	1	1	13	0	0	0	0
20	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.128	3920	25	3837	58	6	29	7	1	1	13	0	0	0	0
20	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.373	8000	52	7876	72	9	42	9	1	1	8	0	0	0	0
20	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.280	6300	41	6171	88	9	43	10	1	2	21	1	1	0	0
20	SOUTH LIMITS OF SIOUX CITY	Rural	0.345	24000	139	20929	2932	137	632	142	15	180	1684	62	81	8280	1012
20	SUNNYBROOK DRIVE INTERCHANGE	Municipal	0.773	23100	134	20138	2828	133	610	137	14	174	1624	59	77	17856	2186
20	EAST-NORTH WEST-NORTH RAMP	Municipal	0.199	3120	20	3064	36	5	23	5	1	0	3	0	0	0	0
20	SOUTH-EAST SOUTH-WEST RAMP	Municipal	0.199	1640	11	1602	27	2	10	2	0	1	10	0	0	0	0
20	EAST-SOUTH WEST-SOUTH RAMP	Municipal	0.230	1440	9	1404	26	3	12	3	0	1	8	0	0	0	0
20	NORTH-EAST NORTH-WEST RAMP	Municipal	0.218	3120	20	3077	22	3	14	3	0	0	2	0	0	0	0
20	MORNINGSIDE AVENUE INTERCHANGE	Municipal	0.548	26300	155	23311	2835	136	625	140	15	172	1611	59	77	14412	1554
20	EAST-NORTH WEST-NORTH RAMP	Municipal	0.149	880	6	846	28	3	13	3	0	1	8	0	0	0	0
20	SOUTH-EAST SOUTH-WEST RAMP	Municipal	0.167	2180	14	2126	40	4	19	4	0	1	10	0	0	0	0
20	EAST-SOUTH WEST-SOUTH RAMP	Municipal	0.199	2700	17	2622	60	6	29	7	1	2	14	1	1	0	0
20	NORTH-EAST NORTH-WEST RAMP	Municipal	0.274	1180	8	1133	40	4	18	4	0	1	12	0	0	0	0
20	EAST LIMITS OF SIOUX CITY	Municipal	0.495	23400	136	20461	2803	132	607	136	14	172	1606	59	77	11583	1387
20	US 75 & IA 12 INTERCHANGE	Rural	0.627	24600	143	21512	2945	139	638	143	15	181	1688	62	81	15424	1847
20	EAST-NORTH WEST-NORTH RAMP	Rural	0.423	1920	12	1798	110	5	24	5	1	7	63	2	3	0	0
20	SOUTH-EAST RAMP	Rural	0.528	2790	16	2342	433	17	80	18	2	28	265	10	13	0	0
20	WEST-SOUTH RAMP	Rural	0.342	3040	19	2836	185	16	74	17	2	7	65	2	3	0	0
20	NORTH-EAST NORTH-WEST RAMP	Rural	0.360	2100	13	1943	144	12	57	13	1	5	50	2	2	0	0
20	SOUTH-WEST LOOP	Rural	0.263	1810	11	1713	86	6	27	6	1	4	39	1	1	0	0
20	EAST-SOUTH LOOP	Rural	0.211	2500	14	2126	360	13	61	14	1	24	227	8	11	0	0
20	INTERSECTION CHARLES AVENUE	Rural	3.629	11200	66	9986	1148	59	272	61	6	67	629	23	30	40645	4166
20	EAST JUNCTION CO RD K42	Rural	2.005	10400	62	9266	1072	48	220	49	5	67	629	23	30	20852	2149
20	JUNCTION CEDAR STREET AT
20	WEST LIMITS OF LAWTON	Rural	1.518	9800	58	8727	1015	39	182	41	4	67	629	23	30	14876	1541
20	EAST LIMITS OF LAWTON	Municipal	0.252	7800	45	6789	966	38	173	39	4	64	598	22	29	1966	243
20	JUNCTION IA 140 & CO RD K64	Rural	5.460	8200	47	7137	1015	39	182	41	4	67	629	23	30	44772	5542
20	JUNCTION CO RD D22	Rural	2.980	4810	26	3907	877	26	119	27	3	63	590	22	29	14334	2613
20	JUNCTION CO RD L36	Rural	11.585	4210	22	3311	877	26	119	27	3	63	590	22	29	48773	10160
20	INTERSECTION IA 31	Rural	0.254	4150	22	3251	877	26	119	27	3	63	590	22	29	1054	223
20	WEST LIMITS OF CORRECTIONVILLE	Rural	0.124	3580	18	2777	784	19	89	20	2	59	548	20	26	444	97
20	INTERSECTION HACKBERRY ST AT
20	EAST LIMITS OF CORRECTIONVILLE	Municipal	0.124	3580	18	2777	784	19	89	20	2	59	548	20	26	444	97
20	EAST JUNCTION CO RD L43	Rural	5.639	3190	16	2390	784	19	89	20	2	59	548	20	26	17988	4421
20	WEST LINE OF IDA COUNTY	Rural	0.221	3070	15	2271	784	19	89	20	2	59	548	20	26	678	173
	ROUTE SUMMARY - RURAL		36.765	6371												228120	33944
	ROUTE SUMMARY - MUNICIPAL		6.258	15703												88893	9605