Iowa DOT

Volume of Traffic on the Primary Road System

Route	2016	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2016				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
18	17 Cerro Gordo COUNTY
18	WEST LIMITS OF VENTURA	Rural	0.517	6500	29	5829	642	31	157	33	4	38	343	15	21	3361	332
18	INTERSECTION MAIN STREET	Municipal	0.509	6400	28	5738	634	30	155	33	4	38	339	15	21	3258	323
18	EAST LIMITS OF VENTURA	Municipal	2.049	8300	37	7584	678	36	186	39	5	38	339	15	21	17007	1389
18	WEST LIMITS OF CLEAR LAKE	Rural	0.843	9200	41	8361	798	52	266	56	7	38	343	15	21	7756	673
18	JUNCTION SHOREWOOD WAY	Municipal	0.011	8700	39	7890	771	49	251	53	6	38	339	15	21	96	8
18	JUNCTION CO RD B30	Municipal	0.218	9300	42	8487	771	49	251	53	6	38	339	15	21	2027	168
18	JUNCTION CO RD S18 & 16TH STREET	Municipal	0.475	10200	46	9383	771	49	251	53	6	38	339	15	21	4845	366
18	INTERSECTION BUDDY HOLLY PLACE	Municipal	1.007	12100	56	11273	771	49	251	53	6	38	339	15	21	12185	776
18	INTERSECTION 8TH STREET	Municipal	0.500	13500	62	12667	771	49	251	53	6	38	339	15	21	6750	386
18	INTERSECTION 24TH STREET	Municipal	0.955	14000	65	13142	793	52	266	56	7	38	339	15	21	13370	757
18	I 35 & IA 122 NORTH INTERCHANGE	Municipal	0.224	16300	71	14504	1724	77	394	83	10	106	955	41	58	3651	386
18	I 35 SOUTH INTERCHANGE TO
18	MALLARD AVENUE INTERCHANGE	Rural	4.451	8800	30	6164	2606	40	205	43	5	212	1903	82	117	39169	11599
18	EAST-NORTH EAST-SOUTH RAMP	Rural	0.257	770	3	688	78	3	17	4	0	5	44	2	3	0	0
18	NORTH-EAST SOUTH-EAST RAMP	Rural	0.267	920	4	847	69	3	15	3	0	4	39	2	3	0	0
18	WEST-NORTH WEST-SOUTH RAMP	Rural	0.264	550	2	403	145	3	13	3	0	12	104	4	6	0	0
18	NORTH-WEST SOUTH-WEST RAMP	Rural	0.256	490	2	352	136	1	7	1	0	12	104	4	6	0	0
18	US 65 INTERCHANGE	Rural	3.010	9400	34	6894	2472	43	218	46	5	198	1778	76	108	28294	7441
18	EAST-NORTH EAST-SOUTH RAMP	Rural	0.266	1950	8	1709	233	5	27	6	1	18	160	7	10	0	0
18	NORTH-EAST SOUTH-EAST RAMP	Rural	0.266	1750	8	1526	217	9	45	10	1	14	125	5	7	0	0
18	WEST-NORTH WEST-SOUTH RAMP	Rural	0.307	620	3	551	66	4	20	4	0	3	30	1	1	0	0
18	NORTH-WEST SOUTH-WEST RAMP	Rural	0.261	580	3	512	65	2	11	2	0	4	40	2	3	0	0
18	CO RD S56 INTERCHANGE	Rural	4.052	11800	44	8966	2790	51	260	55	6	221	1990	85	121	47814	11305
18	EAST-NORTH EAST-SOUTH RAMP	Rural	0.333	830	4	756	70	2	9	2	0	5	47	2	3	0	0
18	NORTH-EAST SOUTH-EAST RAMP	Rural	0.316	700	3	620	77	3	14	3	0	5	47	2	3	0	0
18	WEST-NORTH WEST-SOUTH RAMP	Rural	0.275	370	1	294	75	6	31	7	1	3	25	1	1	0	0
18	NORTH-WEST SOUTH-WEST RAMP	Rural	0.241	350	1	257	92	5	27	6	1	5	44	2	3	0	0
18	CO RD S70 INTERCHANGE AT
18	WEST LINE OF FLYOD COUNTY	Rural	5.137	12600	48	9780	2771	44	224	47	5	224	2016	86	122	64726	14235
18	WEST-NORTH WEST-SOUTH RAMP	Rural	0.254	340	2	311	27	1	6	1	0	2	16	1	1	0	0
18	NORTH-WEST SOUTH-WEST RAMP	Rural	0.251	410	2	372	36	2	11	2	0	2	16	1	1	0	0
	ROUTE SUMMARY - RURAL		21.824	8891												191120	45585
	ROUTE SUMMARY - MUNICIPAL		5.948	10623												63189	4559