Iowa DOT

Volume of Traffic on the Primary Road System

Route	2011	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2011				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	32400	596	28615	3189	206	649	258	49	262	1598	61	105	47142	4640
20	EAST-NORTH EAST-SOUTH RAMP *	Municipal	0.195	3280	18	3203	58	5	21	6	1	3	21	1	1	640	11
20	EAST-NORTH EAST-SOUTH RAMP *	Rural	0.065	3280	18	3202	59	5	22	6	1	3	21	1	1	213	4
20	NORTH-EAST SOUTH-EAST RAMP *	Rural	0.186	3240	18	3171	51	5	20	6	1	2	16	1	1	603	9
20	NORTH-EAST SOUTH-EAST RAMP *	Municipal	0.128	3240	18	3171	51	5	20	6	1	2	16	1	1	415	7
20	WEST-NORTH WEST-SOUTH RAMP *	Municipal	0.373	7700	42	7438	219	25	106	31	3	6	44	1	1	2872	82
20	NORTH-WEST SOUTH-WEST RAMP *	Municipal	0.280	7700	42	7459	198	23	97	28	3	6	39	1	1	2156	55
20	SOUTH LIMITS OF SIOUX CITY	Rural	0.345	23500	115	20501	2881	136	584	171	18	233	1624	50	65	8108	994
20	SUNNYBROOK DRIVE INTERCHANGE	Municipal	0.773	23500	115	20501	2881	136	584	171	18	233	1624	50	65	18166	2227
20	EAST-NORTH WEST-NORTH RAMP	Municipal	0.199	3170	18	3115	37	5	22	6	1	0	2	0	0	631	7
20	SOUTH-EAST SOUTH-WEST RAMP	Municipal	0.199	1670	9	1634	27	2	10	3	0	1	10	0	0	332	5
20	EAST-SOUTH WEST-SOUTH RAMP	Municipal	0.230	1460	8	1426	26	3	11	3	0	1	7	0	0	336	6
20	NORTH-EAST NORTH-WEST RAMP	Municipal	0.218	3170	18	3130	22	3	13	4	0	0	2	0	0	691	5
20	MORNINGSIDE AVENUE INTERCHANGE	Municipal	0.548	26700	133	23678	2887	140	598	175	19	231	1611	49	64	14632	1582
20	EAST-NORTH WEST-NORTH RAMP	Municipal	0.149	890	5	858	28	3	12	4	0	1	7	0	0	133	4
20	SOUTH-EAST SOUTH-WEST RAMP	Municipal	0.167	2220	12	2167	40	4	18	5	1	1	10	0	0	371	7
20	EAST-SOUTH WEST-SOUTH RAMP	Municipal	0.199	2740	15	2664	61	7	28	8	1	2	14	0	0	545	12
20	NORTH-EAST NORTH-WEST RAMP	Municipal	0.274	1200	6	1154	40	4	17	5	1	2	12	0	0	329	11
20	EAST LIMITS OF SIOUX CITY	Municipal	0.495	23800	117	20827	2854	135	581	170	18	230	1606	49	64	11781	1413
20	US 75 & IA 12 INTERCHANGE	Rural	0.627	23800	117	20827	2854	135	581	170	18	230	1606	49	64	14923	1789
20	EAST-NORTH WEST-NORTH RAMP	Rural	0.423	1860	10	1743	107	5	22	6	1	9	60	2	2	787	45
20	SOUTH-EAST RAMP	Rural	0.528	2690	13	2258	420	17	73	21	2	36	252	8	11	1420	222
20	WEST-SOUTH RAMP	Rural	0.342	2940	15	2745	179	16	67	20	2	9	61	2	2	1005	61
20	NORTH-EAST NORTH-WEST RAMP	Rural	0.360	2030	11	1880	139	12	52	15	2	7	48	1	1	731	50
20	SOUTH-WEST LOOP	Rural	0.263	1750	9	1658	83	6	24	7	1	5	37	1	1	460	22
20	EAST-SOUTH LOOP	Rural	0.211	2420	12	2060	349	13	55	16	2	31	217	7	9	511	74
20	INTERSECTION CHARLES AVENUE	Rural	3.628	10900	55	9732	1112	58	248	72	8	86	598	18	24	39545	4034
20	EAST JUNCTION CO RD K42	Rural	2.006	10100	51	9009	1039	47	201	59	6	86	598	18	24	20261	2084
20	JUNCTION CEDAR STREET AT
20	WEST LIMITS OF LAWTON	Rural	1.518	9500	48	8468	984	39	166	48	5	86	598	18	24	14421	1494
20	EAST LIMITS OF LAWTON	Municipal	0.252	7900	39	6876	984	39	166	48	5	86	598	18	24	1991	248
20	JUNCTION IA 140 & CO RD K64	Rural	5.460	7900	39	6876	984	39	166	48	5	86	598	18	24	43134	5373
20	JUNCTION CO RD D22	Rural	2.980	4660	21	3788	850	25	109	32	3	80	561	17	22	13887	2533
20	JUNCTION CO RD L36	Rural	11.585	4080	18	3211	850	25	109	32	3	80	561	17	22	47267	9847
20	INTERSECTION IA 31	Rural	0.254	4020	18	3152	850	25	109	32	3	80	561	17	22	1021	216
20	WEST LIMITS OF CORRECTIONVILLE	Rural	0.124	3460	15	2685	759	19	81	24	3	75	521	16	21	429	94
20	INTERSECTION HACKBERRY ST AT
20	EAST LIMITS OF CORRECTIONVILLE	Municipal	0.124	3200	14	2427	759	19	81	24	3	75	521	16	21	397	94
20	EAST JUNCTION CO RD L43	Rural	5.639	3090	13	2318	759	19	81	24	3	75	521	16	21	17425	4280
20	WEST LINE OF IDA COUNTY	Rural	0.221	2970	12	2199	759	19	81	24	3	75	521	16	21	656	168
	ROUTE SUMMARY - RURAL		36.765	6169												226807	33393
	ROUTE SUMMARY - MUNICIPAL		6.258	16548												103560	10416