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	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	32100	32	28665	3403	189	801	201	8	176	1853	72	100	46706	4951
20	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.195	3330	21	3251	59	5	22	6	1	3	21	1	1	649	12
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.065	3330	21	3251	59	5	22	6	1	3	21	1	1	216	4
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.186	3900	24	3819	57	5	21	6	1	3	21	1	1	725	11
20	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.128	3900	24	3819	57	5	21	6	1	3	21	1	1	499	7
20	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.373	7400	45	7136	218	25	109	30	3	6	41	1	1	2760	81
20	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.280	7800	48	7551	201	23	100	28	3	6	39	1	1	2184	56
20	SOUTH LIMITS OF SIOUX CITY	Rural	0.345	24000	132	20769	3100	140	615	171	19	280	1771	46	59	8280	1070
20	SUNNYBROOK DRIVE INTERCHANGE	Municipal	0.773	24000	132	20769	3100	140	615	171	19	280	1771	46	59	18552	2396
20	EAST-NORTH WEST-NORTH RAMP	Municipal	0.199	1870	12	1836	23	2	8	2	0	1	8	0	0	372	5
20	SOUTH-EAST SOUTH-WEST RAMP	Municipal	0.199	1660	10	1596	54	5	24	7	1	2	14	0	0	330	11
20	EAST-SOUTH WEST-SOUTH RAMP	Municipal	0.230	1410	9	1347	54	6	25	7	1	2	12	0	0	324	12
20	NORTH-EAST NORTH-WEST RAMP	Municipal	0.218	1780	11	1745	24	2	10	3	0	1	7	0	0	388	5
20	MORNINGSIDE AVENUE INTERCHANGE	Municipal	0.548	24600	136	21428	3037	133	583	162	18	278	1759	46	59	13481	1664
20	EAST-NORTH WEST-NORTH RAMP	Municipal	0.149	610	4	588	18	1	6	2	0	1	7	0	0	91	3
20	SOUTH-EAST SOUTH-WEST RAMP	Municipal	0.167	2530	16	2462	52	6	25	7	1	2	12	0	0	423	9
20	EAST-SOUTH WEST-SOUTH RAMP	Municipal	0.199	2500	15	2436	49	5	24	7	1	2	10	0	0	498	10
20	NORTH-EAST NORTH-WEST RAMP	Municipal	0.274	690	4	669	16	2	8	2	0	0	2	0	0	189	4
20	EAST LIMITS OF SIOUX CITY	Municipal	0.495	20700	112	17620	2968	125	548	152	17	276	1747	45	58	10247	1469
20	US 75 & IA 12 INTERCHANGE	Rural	0.627	21200	115	18069	3016	127	557	155	17	280	1775	46	59	13292	1891
20	EAST-NORTH WEST-NORTH RAMP	Rural	0.423	1610	9	1492	108	4	19	5	1	10	65	2	2	681	46
20	SOUTH-EAST RAMP	Rural	0.528	2870	16	2460	395	13	57	16	2	40	252	7	9	1515	209
20	WEST-SOUTH RAMP	Rural	0.342	2560	15	2416	129	12	51	14	2	7	42	1	1	876	44
20	NORTH-EAST NORTH-WEST RAMP	Rural	0.360	1630	10	1514	107	6	28	8	1	8	53	1	1	587	39
20	SOUTH-WEST LOOP	Rural	0.263	2300	14	2173	113	10	44	12	1	6	38	1	1	605	30
20	EAST-SOUTH LOOP	Rural	0.211	2550	14	2137	400	12	54	15	2	41	261	7	9	538	84
20	INTERSECTION CHARLES AVENUE	Rural	3.700	9900	56	8767	1078	38	166	46	5	107	676	18	23	36630	3989
20	EAST JUNCTION CO RD K42	Rural	2.052	9400	52	8269	1078	38	166	46	5	107	676	18	23	19289	2212
20	JUNCTION CEDAR STREET AT
20	WEST LIMITS OF LAWTON	Rural	1.400	9100	51	7986	1064	36	157	44	5	107	676	18	23	12740	1490
20	EAST LIMITS OF LAWTON	Municipal	0.252	7600	41	6507	1052	37	163	45	5	104	659	17	22	1915	265
20	JUNCTION IA 140 & CO RD K64	Rural	5.460	7100	38	5984	1078	38	166	46	5	107	676	18	23	38766	5886
20	JUNCTION CO RD D22	Rural	2.980	4100	22	3458	620	20	87	24	3	63	399	10	13	12218	1848
20	JUNCTION CO RD L36	Rural	11.627	2240	10	1633	597	16	72	20	2	63	399	10	13	26044	6941
20	INTERSECTION IA 31	Rural	0.212	2370	11	1761	597	16	72	20	2	63	399	10	13	502	127
20	WEST LIMITS OF CORRECTIONVILLE	Rural	0.124	2500	12	1852	636	15	64	18	2	70	441	11	14	310	79
20	INTERSECTION HACKBERRY ST AT
20	EAST LIMITS OF CORRECTIONVILLE	Municipal	0.124	2430	11	1801	618	14	62	17	2	68	429	11	14	301	77
20	JUNCTION CO RD L43	Rural	5.639	2370	11	1723	636	15	64	18	2	70	441	11	14	13364	3586
20	WEST LINE OF IDA COUNTY	Rural	0.221	2450	11	1802	636	15	64	18	2	70	441	11	14	541	141
	ROUTE SUMMARY - RURAL		36.765	5106												187719	29727
	ROUTE SUMMARY - MUNICIPAL		6.258	15965												99909	11037