Iowa DOT

Volume of Traffic on the Primary Road System

Route	2013	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2013				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
80	52 Johnson COUNTY
80	CO RD W38 INTERCHANGE	Rural	1.550	25900	89	16176	9634	161	556	115	7	447	8032	86	229	40145	14933
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.298	550	3	466	82	7	24	5	0	2	42	0	1	164	24
80	NORTH-EAST SOUTH-EAST RAMP	Rural	0.311	580	3	481	96	10	36	7	0	2	38	0	1	180	30
80	NORTH-WEST SOUTH-WEST RAMP	Rural	0.280	200	1	166	33	2	8	2	0	1	19	0	0	56	9
80	WEST-NORTH WEST-SOUTH LOOP	Rural	0.180	180	1	156	24	3	11	2	0	0	7	0	0	32	4
80	WEST LIMITS OF TIFFIN	Rural	6.663	26700	93	16852	9755	173	597	123	7	450	8086	87	231	177902	64998
80	CO RD W52 INTERCHANGE	Municipal	0.501	26900	94	17002	9804	174	601	124	7	452	8127	87	232	13477	4912
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.267	2510	11	2046	452	33	115	24	1	14	254	3	7	670	121
80	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.342	2290	10	1897	383	28	95	20	1	12	218	2	6	783	131
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.267	390	2	310	78	4	15	3	0	3	50	1	2	104	21
80	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.280	620	2	449	169	15	52	11	1	5	82	1	2	174	47
80	I 380 & US 218 INTERCHANGE AT EAST LIMITS OF TIFFIN &
80	WEST LIMITS OF CORALVILLE	Municipal	1.462	30600	111	20096	10393	215	744	154	9	471	8467	91	242	44737	15195
80	EAST-NORTH RAMP	Municipal	0.528	12300	55	9957	2288	68	235	48	3	98	1766	19	51	6494	1208
80	SOUTH-EAST RAMP	Municipal	0.497	4580	23	4122	436	35	121	25	2	13	231	2	6	2276	217
80	WEST-SOUTH RAMP	Municipal	0.510	2400	11	2033	356	18	62	13	1	13	240	3	7	1224	182
80	NORTH-WEST RAMP	Municipal	0.410	2940	11	2009	919	34	116	24	1	38	679	7	19	1205	377
80	SOUTH-WEST LOOP	Municipal	0.236	1980	9	1644	326	23	79	16	1	11	189	2	5	467	77
80	WEST-NORTH LOOP	Municipal	0.311	2850	11	2020	819	37	127	26	2	32	573	6	16	886	255
80	NORTH-EAST LOOP	Municipal	0.242	11000	49	8885	2066	81	280	58	3	83	1501	16	42	2662	500
80	EAST-SOUTH LOOP	Municipal	0.199	3330	16	2881	433	40	139	29	2	11	204	2	5	663	86
80	IA 965 INTERCHANGE	Municipal	1.539	51700	212	38292	13196	329	1136	235	14	583	10487	113	300	79566	20309
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.361	6800	35	6411	354	33	115	24	1	9	165	2	5	2455	128
80	SOUTH-EAST RAMP	Municipal	0.261	2640	14	2443	184	17	59	12	1	5	87	1	2	689	48
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.379	6900	36	6447	418	21	74	15	1	16	279	3	8	2615	158
80	NORTH-WEST RAMP	Municipal	0.271	4180	22	3978	180	20	70	14	1	4	68	1	2	1133	49
80	SOUTH-WEST LOOP	Municipal	0.261	3350	16	2957	376	38	130	27	2	9	164	2	5	874	98
80	NORTH-EAST LOOP	Municipal	0.278	3780	20	3566	194	17	59	12	1	5	96	1	3	1051	54
80	1ST AVENUE INTERCHANGE AT
80	EAST LIMITS OF CORALVILLE	Municipal	2.356	50600	207	37440	12953	316	1094	226	14	574	10323	111	295	119214	30517
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.017	5300	27	4952	321	33	113	23	1	8	138	1	3	90	5
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.169	5400	28	5049	323	33	113	23	1	8	139	1	3	913	55
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.056	5300	27	4952	321	33	113	23	1	8	138	1	3	297	18
80	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.217	5600	30	5335	235	22	77	16	1	6	109	1	3	1215	51
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.249	2800	14	2501	285	23	79	16	1	8	152	2	4	697	71
80	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.193	3090	15	2693	383	28	96	20	1	12	217	2	6	596	74
80	WEST LIMITS OF IOWA CITY	Rural	0.391	55400	234	42388	12778	319	1103	228	14	565	10150	109	291	21661	4996
80	CO RD W66 & DUBUQUE ST INTCHG AT
80	EAST LIMITS OF IOWA CITY	Municipal	0.895	55700	236	42621	12843	321	1109	229	14	567	10202	109	291	49852	11494
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.292	2510	13	2370	127	13	46	9	1	3	53	1	2	733	37
80	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.211	2370	12	2239	118	15	50	10	1	2	38	0	1	500	25
80	SOUTH-EAST RAMP CONNECTION	Municipal	0.118	1480	8	1412	60	8	29	6	0	1	16	0	0	175	7
80	WEST-SOUTH RAMP CONNECTION	Municipal	0.131	5400	29	5200	171	21	72	15	1	3	57	1	2	707	22
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.218	6100	32	5868	200	26	89	18	1	3	60	1	2	1330	44
80	NORTH-WEST SOUTH-WEST RAMP	Rural	0.298	5800	31	5541	228	23	79	16	1	6	100	1	3	1728	68
80	NORTH-EAST RAMP CONNECTION	Municipal	0.112	900	5	839	57	6	21	4	0	1	23	0	0	101	6
80	WEST-NORTH RAMP CONNECTION	Municipal	0.081	670	4	638	29	5	17	3	0	0	4	0	0	54	2
80	WEST LIMITS OF IOWA CITY	Rural	1.463	48400	197	35605	12598	299	1032	213	13	561	10084	108	288	70809	18431
80	IA 1 INTERCHANGE	Municipal	0.634	48700	198	35842	12660	300	1037	214	13	564	10134	109	290	30876	8026
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.249	1410	6	1086	318	10	35	7	0	13	242	3	7	351	79
80	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.342	1290	6	1154	130	12	42	9	1	3	60	1	2	441	44
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.249	7200	37	6662	501	46	160	33	2	13	237	3	7	1793	125
80	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.186	7200	37	6653	510	37	129	27	2	16	288	3	8	1339	95
80	NORTH-WEST RAMP	Municipal	0.112	3270	17	3069	184	16	56	12	1	5	90	1	2	366	21
80	SOUTH-WEST RAMP	Municipal	0.050	3870	19	3524	326	21	73	15	1	11	197	2	5	194	16
80	EAST LIMITS OF IOWA CITY	Municipal	0.916	37100	138	24867	12095	239	825	170	10	551	9910	106	283	33984	11079
80	CO RD F44 INTERCHANGE	Rural	2.101	36900	137	24727	12036	237	821	170	10	549	9862	106	282	77527	25288
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.193	1320	6	1121	192	14	48	10	1	6	109	1	3	255	37
80	NORTH-EAST SOUTH-EAST RAMP	Rural	0.261	1270	6	1113	151	7	23	5	0	6	107	1	3	331	39
80	WEST-NORTH WEST-SOUTH RAMP	Rural	0.162	1660	7	1354	299	17	59	12	1	11	192	2	5	269	48
80	NORTH-WEST SOUTH-WEST RAMP	Rural	0.242	1780	8	1395	377	16	55	11	1	15	269	3	7	431	91
80	WEST LINE OF CEDAR COUNTY	Rural	4.179	36000	134	24165	11701	225	778	161	10	535	9615	103	275	150444	48898
	ROUTE SUMMARY - RURAL		18.937	28677												543054	177954
	ROUTE SUMMARY - MUNICIPAL		17.090	23926												408903	106026