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	40 Hamilton COUNTY
20	IA 17 & CO RD R21 WEST INTCHG	Rural	1.400	8200	42	6584	1574	42	184	51	6	168	1061	27	35	11480	2204
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.311	500	2	299	200	2	8	2	0	24	154	4	5	156	62
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.329	510	2	316	192	1	5	1	0	24	152	4	5	168	63
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.298	280	1	201	78	2	10	3	0	8	51	1	1	83	23
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.298	360	2	277	81	3	11	3	0	8	53	1	1	107	24
20	WEST LIMITS OF WEBSTER CITY	Rural	2.789	8600	43	6751	1806	40	174	49	5	200	1264	33	42	23985	5037
20	EAST LIMITS OF WEBSTER CITY	Municipal	0.248	8600	43	6760	1797	40	174	48	5	199	1257	33	42	2133	446
20	WEST LIMITS OF WEBSTER CITY	Rural	0.505	8600	43	6751	1806	40	174	49	5	200	1264	33	42	4343	912
20	IA 17 & SUPERIOR ST EAST INTCHG	Municipal	1.005	8600	43	6760	1797	40	174	48	5	199	1257	33	42	8643	1806
20	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.348	1320	7	1092	221	6	25	7	1	24	150	4	5	459	77
20	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.267	1260	7	1054	199	5	21	6	1	22	136	4	5	336	53
20	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.373	1440	8	1270	161	7	29	8	1	15	95	2	2	537	60
20	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.292	1760	10	1565	185	7	29	8	1	18	115	3	4	514	54
20	EAST LIMITS OF WEBSTER CITY	Municipal	1.242	7900	38	5989	1873	37	163	45	5	211	1333	35	45	9812	2326
20	CO RD R38 INTERCHANGE	Rural	3.723	7900	38	5980	1882	37	164	46	5	212	1340	35	45	29412	7007
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.230	60	0	39	21	0	1	0	0	3	16	0	0	14	5
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.329	110	1	96	13	0	1	0	0	1	9	0	0	36	4
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.249	80	0	71	9	0	1	0	0	1	7	0	0	20	2
20	NORTH-EAST SOUTH-EAST LOOP	Rural	0.199	60	0	46	13	1	4	1	0	1	6	0	0	12	3
20	US 69 INTERCHANGE	Rural	4.009	7900	38	5968	1894	38	167	46	5	213	1346	35	45	31671	7593
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.280	160	1	94	66	1	3	1	0	8	50	1	1	45	18
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.267	240	1	149	91	1	4	1	0	11	70	2	2	64	24
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.298	370	2	309	59	2	9	3	0	6	37	1	1	110	18
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.267	390	2	319	69	3	11	3	0	7	43	1	1	104	18
20	I 35 INTERCHANGE	Rural	3.635	7500	35	5541	1924	35	154	43	5	219	1387	36	46	27263	6994
20	CO RD R77 INTERCHANGE	Rural	2.453	7900	38	6034	1828	35	154	43	5	207	1308	34	44	19379	4484
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.298	30	0	24	6	1	3	1	0	0	1	0	0	9	2
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.267	20	0	14	6	1	3	1	0	0	1	0	0	5	2
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.311	90	0	78	11	0	1	0	0	1	8	0	0	28	3
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.267	80	0	68	12	0	1	0	0	1	9	0	0	21	3
20	WEST LINE OF HARDIN COUNTY	Rural	2.977	7800	38	5947	1816	36	159	44	5	204	1292	33	42	23221	5406
	ROUTE SUMMARY - RURAL		25.989	6608												171736	39911
	ROUTE SUMMARY - MUNICIPAL		3.775	5943												22434	4822