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	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	122	26331	2847	142	611	146	12	225	1507	82	121	42632	4142
20	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.195	4170	24	4059	87	10	44	11	1	2	18	1	1	813	17
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.065	4230	24	4117	88	10	44	11	1	2	18	1	1	275	6
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.186	3980	23	3898	59	7	30	7	1	2	13	0	0	740	11
20	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.128	3920	23	3840	58	6	29	7	1	2	13	0	0	502	7
20	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.373	8000	47	7881	72	9	42	10	1	1	8	0	0	2984	27
20	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.280	6300	37	6175	88	9	42	10	1	3	21	1	1	1764	25
20	SOUTH LIMITS OF SIOUX CITY	Rural	0.345	23500	122	20503	2875	136	610	147	15	197	1640	57	73	8108	992
20	SUNNYBROOK DRIVE INTERCHANGE	Municipal	0.773	23100	120	20149	2831	134	600	145	15	194	1615	56	72	17856	2188
20	EAST-NORTH WEST-NORTH RAMP	Municipal	0.199	3120	18	3066	36	5	22	5	1	0	3	0	0	621	7
20	SOUTH-EAST SOUTH-WEST RAMP	Municipal	0.199	1640	10	1603	27	2	10	2	0	1	10	0	0	326	5
20	EAST-SOUTH WEST-SOUTH RAMP	Municipal	0.230	1440	8	1405	26	3	11	3	0	1	8	0	0	331	6
20	NORTH-EAST NORTH-WEST RAMP	Municipal	0.218	3120	18	3080	22	3	13	3	0	0	2	0	0	680	5
20	MORNINGSIDE AVENUE INTERCHANGE	Municipal	0.548	26300	138	23323	2838	137	615	148	15	192	1602	56	72	14412	1555
20	EAST-NORTH WEST-NORTH RAMP	Municipal	0.149	880	5	847	28	3	13	3	0	1	8	0	0	131	4
20	SOUTH-EAST SOUTH-WEST RAMP	Municipal	0.167	2180	13	2127	40	4	19	5	0	1	10	0	0	364	7
20	EAST-SOUTH WEST-SOUTH RAMP	Municipal	0.199	2700	16	2624	60	6	29	7	1	2	14	0	0	537	12
20	NORTH-EAST NORTH-WEST RAMP	Municipal	0.274	1180	7	1133	40	4	17	4	0	1	12	0	0	323	11
20	EAST LIMITS OF SIOUX CITY	Municipal	0.495	23400	122	20472	2806	134	598	144	15	192	1597	55	71	11583	1389
20	US 75 & IA 12 INTERCHANGE	Rural	0.627	24100	125	21087	2888	137	615	148	15	197	1644	57	73	15111	1811
20	EAST-NORTH WEST-NORTH RAMP	Rural	0.423	1880	10	1762	108	5	23	6	1	7	62	2	2	795	46
20	SOUTH-EAST RAMP	Rural	0.528	2730	14	2291	425	17	77	19	2	31	258	9	12	1441	224
20	WEST-SOUTH RAMP	Rural	0.342	2980	17	2783	181	16	71	17	2	8	63	2	2	1019	62
20	NORTH-EAST NORTH-WEST RAMP	Rural	0.360	2060	11	1908	141	12	55	13	1	6	49	2	2	742	51
20	SOUTH-WEST LOOP	Rural	0.263	1770	10	1676	84	6	26	6	1	5	38	1	1	466	22
20	EAST-SOUTH LOOP	Rural	0.211	2450	12	2084	353	13	58	14	1	27	222	8	11	517	74
20	INTERSECTION CHARLES AVENUE	Rural	3.629	11000	58	9816	1125	59	263	63	7	73	612	21	28	39919	4083
20	EAST JUNCTION CO RD K42	Rural	2.005	10200	54	9095	1051	48	213	51	5	73	612	21	28	20451	2107
20	JUNCTION CEDAR STREET AT
20	WEST LIMITS OF LAWTON	Rural	1.518	9600	51	8555	995	39	175	42	4	73	612	21	28	14573	1510
20	EAST LIMITS OF LAWTON	Municipal	0.252	7800	40	6793	967	38	171	41	4	71	594	21	26	1966	244
20	JUNCTION IA 140 & CO RD K64	Rural	5.460	8000	41	6964	995	39	175	42	4	73	612	21	28	43680	5433
20	JUNCTION CO RD D22	Rural	2.980	4720	23	3837	860	26	115	28	3	69	574	20	25	14066	2563
20	JUNCTION CO RD L36	Rural	11.585	4130	19	3251	860	26	115	28	3	69	574	20	25	47846	9963
20	INTERSECTION IA 31	Rural	0.254	4070	19	3191	860	26	115	28	3	69	574	20	25	1034	218
20	WEST LIMITS OF CORRECTIONVILLE	Rural	0.124	3510	16	2726	768	19	86	21	2	64	534	18	23	435	95
20	INTERSECTION HACKBERRY ST AT
20	EAST LIMITS OF CORRECTIONVILLE	Municipal	0.124	3150	14	2390	746	19	83	20	2	62	519	18	23	391	93
20	EAST JUNCTION CO RD L43	Rural	5.639	3130	14	2348	768	19	86	21	2	64	534	18	23	17650	4331
20	WEST LINE OF IDA COUNTY	Rural	0.221	3010	13	2228	768	19	86	21	2	64	534	18	23	665	170
	ROUTE SUMMARY - RURAL		36.765	6243												229533	33772
	ROUTE SUMMARY - MUNICIPAL		6.258	15695												98216	9744