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
218	52 Johnson COUNTY
218	CO RD F62 INTERCHANGE
218	(TO CITY OF HILLS)	Rural	3.059	19500	106	16773	2620	86	354	101	11	246	1694	56	72	59651	8015
218	EAST-NORTH WEST-NORTH RAMP	Rural	0.249	940	6	883	52	6	24	7	1	2	11	0	0	234	13
218	SOUTH-EAST SOUTH-WEST RAMP	Rural	0.267	570	3	533	34	2	8	2	0	2	17	1	1	152	9
218	EAST-SOUTH WEST-SOUTH RAMP	Rural	0.249	630	4	586	40	4	15	4	0	2	14	0	0	157	10
218	NORTH-EAST NORTH-WEST RAMP	Rural	0.267	870	5	807	58	6	23	7	1	3	18	1	1	232	15
218	CO RD F50 INTERCHANGE	Rural	4.174	20100	110	17334	2657	92	379	108	12	245	1693	56	72	83897	11090
218	EAST-NORTH RAMP	Rural	0.230	760	4	615	141	15	60	17	2	6	39	1	1	175	32
218	SOUTH-EAST RAMP	Rural	0.386	2310	14	2232	64	7	29	8	1	2	16	1	1	892	25
218	EAST-SOUTH RAMP	Rural	0.454	2040	12	1972	56	5	22	6	1	2	17	1	1	926	25
218	NORTH-EAST LOOP	Rural	0.349	730	4	573	153	14	59	17	2	7	50	2	2	255	53
218	SOUTH LIMITS OF IOWA CITY	Rural	1.114	17200	91	14280	2829	109	447	128	14	253	1747	58	74	19161	3152
218	IA 1 INTERCHANGE	Municipal	0.494	16700	88	13862	2750	105	434	124	14	246	1698	56	72	8250	1359
218	EAST-NORTH WEST-NORTH RAMP	Municipal	0.230	7500	44	6985	471	52	212	61	7	17	115	4	5	1725	108
218	SOUTH-EAST SOUTH-WEST RAMP	Municipal	0.280	1340	8	1248	84	10	40	12	1	2	17	1	1	375	24
218	EAST-SOUTH WEST-SOUTH RAMP	Municipal	0.230	1510	9	1438	63	6	23	7	1	3	22	1	1	347	14
218	NORTH-EAST NORTH-WEST RAMP	Rural	0.267	6300	38	5925	337	30	124	35	4	17	118	4	5	1682	90
218	NORTH LIMITS OF IOWA CITY	Municipal	0.569	27600	152	24046	3401	171	702	201	22	274	1888	62	80	15704	1935
218	SOUTH LIMITS OF IOWA CITY	Rural	0.209	28300	156	24646	3497	176	722	207	23	282	1942	64	82	5915	731
218	CO RD F46 & MELROSE AVE INTCHG	Municipal	1.465	27600	152	24046	3401	171	702	201	22	274	1888	62	80	40434	4982
218	EAST-NORTH WEST-NORTH RAMP	Municipal	0.305	3630	22	3500	108	16	65	19	2	1	6	0	0	1107	33
218	SOUTH-EAST SOUTH-WEST RAMP	Municipal	0.242	2620	14	2217	389	57	235	67	7	3	18	1	1	634	94
218	EAST-SOUTH WEST-SOUTH RAMP	Municipal	0.317	2430	13	2089	328	43	177	51	6	6	42	1	1	770	104
218	NORTH-EAST NORTH-WEST RAMP	Municipal	0.261	3310	20	3228	61	8	33	10	1	1	7	0	0	864	16
218	WEST LIMITS OF IOWA CITY	Municipal	0.869	29400	167	26380	2853	94	388	111	12	267	1842	61	79	25549	2479
218	I 80 & I 380 INTERCHANGE AT
218	SOUTH LIMITS OF CORALVILLE	Rural	2.503	30200	172	27094	2935	97	399	114	13	275	1894	63	81	75591	7346
	ROUTE SUMMARY - RURAL		13.777	18068												248920	30606
	ROUTE SUMMARY - MUNICIPAL		5.262	18198												95759	11148