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
18	17 Cerro Gordo COUNTY
18	WEST LIMITS OF VENTURA	Rural	0.517	5800	29	5229	541	24	101	29	3	45	316	10	13	2999	280
18	INTERSECTION MAIN STREET	Municipal	0.509	5700	29	5138	532	23	99	29	3	45	311	10	13	2901	271
18	EAST LIMITS OF VENTURA	Municipal	2.049	7300	38	6693	569	29	123	36	4	45	311	10	13	14958	1166
18	WEST LIMITS OF CLEAR LAKE	Rural	0.843	8600	44	7855	700	47	203	59	6	45	316	10	13	7250	590
18	JUNCTION SHOREWOOD WAY	Municipal	0.011	8600	44	7855	700	47	203	59	6	45	316	10	13	95	8
18	JUNCTION CO RD B30	Municipal	0.218	9200	48	8463	689	47	200	58	6	45	311	10	13	2006	150
18	JUNCTION CO RD S18 & 16TH STREET	Municipal	0.475	9700	50	8959	689	47	200	58	6	45	311	10	13	4608	327
18	INTERSECTION BUDDY HOLLY PLACE	Municipal	1.007	12200	64	11445	689	47	200	58	6	45	311	10	13	12285	694
18	INTERSECTION 8TH STREET	Municipal	0.500	12900	68	12142	689	47	200	58	6	45	311	10	13	6450	345
18	INTERSECTION 24TH STREET	Municipal	0.955	14300	76	13467	756	57	243	71	8	45	311	10	13	13657	722
18	I 35 & IA 122 NORTH INTERCHANGE	Municipal	0.224	18800	97	17242	1459	59	252	74	8	126	879	27	35	4211	327
18	I 35 SOUTH INTERCHANGE TO
18	MALLARD AVENUE INTERCHANGE	Rural	4.451	7700	31	5580	2088	38	164	48	5	217	1510	46	60	34273	9294
18	EAST-NORTH EAST-SOUTH RAMP	Rural	0.257	830	4	747	79	2	9	3	0	8	54	2	2	213	20
18	NORTH-EAST SOUTH-EAST RAMP	Rural	0.267	880	5	814	61	1	5	2	0	6	44	1	1	235	16
18	WEST-NORTH WEST-SOUTH RAMP	Rural	0.264	570	2	421	146	1	4	1	0	16	115	4	5	150	39
18	NORTH-WEST SOUTH-WEST RAMP	Rural	0.256	490	2	340	148	2	8	2	0	16	112	3	4	125	38
18	US 65 INTERCHANGE	Rural	3.010	8400	36	6429	1934	39	166	48	5	198	1381	42	55	25284	5821
18	EAST-NORTH EAST-SOUTH RAMP	Rural	0.266	1290	7	1173	110	4	17	5	1	10	68	2	2	343	29
18	NORTH-EAST SOUTH-EAST RAMP	Rural	0.266	1560	8	1412	140	7	31	9	1	11	76	2	3	415	37
18	WEST-NORTH WEST-SOUTH RAMP	Rural	0.307	700	4	627	70	2	9	3	0	7	46	1	1	215	21
18	NORTH-WEST SOUTH-WEST RAMP	Rural	0.261	560	3	493	65	1	3	1	0	7	50	2	2	146	17
18	CO RD S56 INTERCHANGE	Rural	4.052	10000	45	7906	2049	47	202	59	6	205	1428	44	58	40520	8303
18	EAST-NORTH EAST-SOUTH RAMP	Rural	0.333	610	3	532	75	4	17	5	1	6	40	1	1	203	25
18	NORTH-EAST SOUTH-EAST RAMP	Rural	0.316	610	3	504	103	8	36	11	1	6	39	1	1	193	33
18	WEST-NORTH WEST-SOUTH RAMP	Rural	0.275	430	2	351	77	6	26	8	1	4	30	1	1	118	21
18	NORTH-WEST SOUTH-WEST RAMP	Rural	0.241	320	1	236	82	7	28	8	1	4	31	1	1	77	20
18	CO RD S70 INTERCHANGE AT
18	WEST LINE OF FLYOD COUNTY	Rural	5.137	10500	47	8384	2068	47	201	59	6	207	1446	44	58	53939	10623
18	WEST-NORTH WEST-SOUTH RAMP	Rural	0.254	310	2	283	25	1	5	2	0	2	14	0	0	79	6
18	NORTH-WEST SOUTH-WEST RAMP	Rural	0.251	370	2	336	33	2	10	3	0	2	15	0	0	93	8
	ROUTE SUMMARY - RURAL		21.824	7646												166870	35241
	ROUTE SUMMARY - MUNICIPAL		5.948	10284												61171	4010