Iowa DOT

Volume of Traffic on the Primary Road System

Route	2012	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2012				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	5900	34	5319	548	25	102	29	3	46	319	11	14	3050	283
18	INTERSECTION MAIN STREET	Municipal	0.509	5700	33	5135	532	24	99	28	3	45	310	10	13	2901	271
18	EAST LIMITS OF VENTURA	Municipal	2.049	7300	42	6688	569	30	122	35	4	45	310	10	13	14958	1166
18	WEST LIMITS OF CLEAR LAKE	Rural	0.843	8700	50	7941	709	50	205	59	6	46	319	11	14	7334	598
18	JUNCTION SHOREWOOD WAY	Municipal	0.011	8600	50	7850	700	49	202	58	6	46	315	10	13	95	8
18	JUNCTION CO RD B30	Municipal	0.218	9200	54	8458	689	48	199	57	6	45	310	10	13	2006	150
18	JUNCTION CO RD S18 & 16TH STREET	Municipal	0.475	9700	57	8955	689	48	199	57	6	45	310	10	13	4608	327
18	INTERSECTION BUDDY HOLLY PLACE	Municipal	1.007	12200	73	11439	689	48	199	57	6	45	310	10	13	12285	694
18	INTERSECTION 8TH STREET	Municipal	0.500	12900	77	12134	689	48	199	57	6	45	310	10	13	6450	345
18	INTERSECTION 24TH STREET	Municipal	0.955	14300	85	13458	756	59	242	69	8	45	310	10	13	13657	722
18	I 35 & IA 122 NORTH INTERCHANGE	Municipal	0.317	18800	109	17233	1458	61	251	72	8	127	873	29	37	5960	462
18	I 35 SOUTH INTERCHANGE TO
18	MALLARD AVENUE INTERCHANGE	Rural	4.358	8000	35	5527	2438	43	178	51	6	257	1770	59	76	34864	10625
18	EAST-NORTH EAST-SOUTH RAMP	Rural	0.257	840	5	755	80	2	9	3	0	8	54	2	2	216	21
18	NORTH-EAST SOUTH-EAST RAMP	Rural	0.267	890	5	823	62	1	5	1	0	6	44	1	1	238	17
18	WEST-NORTH WEST-SOUTH RAMP	Rural	0.264	580	2	380	198	3	11	3	0	22	148	5	6	153	52
18	NORTH-WEST SOUTH-WEST RAMP	Rural	0.256	500	2	323	175	3	11	3	0	19	129	4	5	128	45
18	US 65 INTERCHANGE	Rural	3.010	8500	40	6254	2207	41	170	49	5	231	1590	53	68	25585	6643
18	EAST-NORTH EAST-SOUTH RAMP	Rural	0.266	1310	8	1191	111	4	17	5	1	10	69	2	2	348	30
18	NORTH-EAST SOUTH-EAST RAMP	Rural	0.266	1580	9	1429	142	8	31	9	1	11	76	3	4	420	38
18	WEST-NORTH WEST-SOUTH RAMP	Rural	0.307	710	4	635	71	2	9	3	0	7	47	2	2	218	22
18	NORTH-WEST SOUTH-WEST RAMP	Rural	0.261	570	3	496	71	1	6	2	0	7	51	2	2	149	19
18	CO RD S56 INTERCHANGE	Rural	4.052	10100	49	7733	2318	50	204	59	6	237	1638	54	69	40925	9393
18	EAST-NORTH EAST-SOUTH RAMP	Rural	0.333	620	3	540	76	4	17	5	1	6	41	1	1	206	25
18	NORTH-EAST SOUTH-EAST RAMP	Rural	0.316	620	3	512	105	9	37	10	1	6	39	1	1	196	33
18	WEST-NORTH WEST-SOUTH RAMP	Rural	0.275	440	2	359	78	7	27	8	1	4	29	1	1	121	21
18	NORTH-WEST SOUTH-WEST RAMP	Rural	0.241	320	1	236	83	7	29	8	1	5	31	1	1	77	20
18	CO RD S70 INTERCHANGE AT
18	WEST LINE OF FLYOD COUNTY	Rural	5.137	10600	52	8208	2340	49	203	58	6	240	1657	55	70	54452	12021
18	WEST-NORTH WEST-SOUTH RAMP	Rural	0.254	310	2	283	25	1	5	1	0	2	14	0	0	79	6
18	NORTH-WEST SOUTH-WEST RAMP	Rural	0.251	380	2	345	33	2	10	3	0	2	15	0	0	95	8
	ROUTE SUMMARY - RURAL		21.731	7770												168854	39920
	ROUTE SUMMARY - MUNICIPAL		6.041	10415												62920	4145