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
218	52 Johnson COUNTY
218	CO RD F62 INTERCHANGE
218	(TO CITY OF HILLS)	Rural	3.059	19200	93	16519	2586	82	350	102	11	241	1681	51	66	58733	7911
218	EAST-NORTH WEST-NORTH RAMP	Rural	0.249	930	5	873	52	6	24	7	1	2	12	0	0	232	13
218	SOUTH-EAST SOUTH-WEST RAMP	Rural	0.267	560	3	523	34	2	8	2	0	2	17	1	1	150	9
218	EAST-SOUTH WEST-SOUTH RAMP	Rural	0.249	620	3	577	40	3	15	4	0	2	14	0	0	154	10
218	NORTH-EAST NORTH-WEST RAMP	Rural	0.267	860	4	798	58	5	23	7	1	3	18	1	1	230	15
218	CO RD F50 INTERCHANGE	Rural	4.174	19800	96	17080	2622	87	374	109	12	241	1680	51	66	82645	10944
218	EAST-NORTH RAMP	Rural	0.230	750	3	607	139	14	60	17	2	5	38	1	1	173	32
218	SOUTH-EAST RAMP	Rural	0.386	2280	12	2204	63	7	28	8	1	2	16	0	0	880	24
218	EAST-SOUTH RAMP	Rural	0.454	2010	11	1943	56	5	22	7	1	2	17	1	1	913	25
218	NORTH-EAST LOOP	Rural	0.349	720	3	565	151	14	58	17	2	7	49	2	2	251	53
218	SOUTH LIMITS OF IOWA CITY	Rural	1.116	17000	80	14126	2793	103	442	129	14	249	1734	53	69	18972	3117
218	IA 1 INTERCHANGE	Municipal	0.494	16700	78	13867	2753	101	435	127	14	245	1709	52	68	8250	1360
218	EAST-NORTH WEST-NORTH RAMP	Municipal	0.230	7500	39	6989	471	50	213	62	7	17	115	4	5	1725	108
218	SOUTH-EAST SOUTH-WEST RAMP	Municipal	0.280	1340	7	1249	84	9	40	12	1	2	17	1	1	375	24
218	EAST-SOUTH WEST-SOUTH RAMP	Municipal	0.230	1510	8	1438	63	5	23	7	1	3	22	1	1	347	14
218	NORTH-EAST NORTH-WEST RAMP	Rural	0.267	6200	33	5834	333	29	123	36	4	17	117	4	5	1655	89
218	NORTH LIMITS OF IOWA CITY	Municipal	0.569	27600	135	24058	3404	164	704	206	22	273	1901	58	76	15704	1937
218	SOUTH LIMITS OF IOWA CITY	Rural	0.209	27900	137	24308	3453	167	715	209	23	277	1928	59	77	5831	722
218	CO RD F46 & MELROSE AVE INTCHG	Municipal	1.465	27600	135	24058	3404	164	704	206	22	273	1901	58	76	40434	4987
218	EAST-NORTH WEST-NORTH RAMP	Municipal	0.305	3630	20	3502	108	15	65	19	2	1	6	0	0	1107	33
218	SOUTH-EAST SOUTH-WEST RAMP	Municipal	0.242	2620	12	2218	389	55	236	69	7	3	18	1	1	634	94
218	EAST-SOUTH WEST-SOUTH RAMP	Municipal	0.317	2430	12	2090	328	41	178	52	6	6	42	1	1	770	104
218	NORTH-EAST NORTH-WEST RAMP	Municipal	0.261	3310	18	3230	61	8	33	10	1	1	7	0	0	864	16
218	WEST LIMITS OF IOWA CITY	Municipal	0.869	29400	149	26392	2856	91	389	114	12	266	1854	57	75	25549	2482
218	I 80 & I 380 INTERCHANGE AT
218	SOUTH LIMITS OF CORALVILLE	Rural	2.503	29800	151	26750	2897	92	395	115	12	270	1880	58	76	74589	7251
	ROUTE SUMMARY - RURAL		13.779	17810												245408	30215
	ROUTE SUMMARY - MUNICIPAL		5.262	18198												95759	11159