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
80	52 Johnson COUNTY
80	CO RD W38 INTERCHANGE	Rural	1.550	25800	101	16115	9586	171	525	132	7	621	7790	101	238	39990	14858
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.298	550	3	465	82	7	23	6	0	3	41	1	2	164	24
80	NORTH-EAST SOUTH-EAST RAMP	Rural	0.311	580	3	481	96	11	34	9	0	3	37	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	155	24	3	10	3	0	1	7	0	0	32	4
80	WEST LIMITS OF TIFFIN	Rural	6.663	26600	105	16790	9707	184	564	142	8	626	7843	101	239	177236	64678
80	CO RD W52 INTERCHANGE	Municipal	0.501	26600	105	16790	9707	184	564	142	8	626	7843	101	239	13327	4863
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.267	2480	13	2021	447	35	108	27	2	20	245	3	7	662	119
80	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.342	2270	12	1878	380	29	90	23	1	17	211	3	6	776	130
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.267	390	2	312	77	5	14	4	0	4	48	1	2	104	21
80	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.280	610	3	440	167	16	49	12	1	6	79	1	2	171	47
80	I 380 & US 218 INTERCHANGE AT EAST LIMITS OF TIFFIN &
80	WEST LIMITS OF CORALVILLE	Municipal	1.462	30300	124	19888	10290	227	698	175	10	652	8171	106	250	44299	15044
80	EAST-NORTH RAMP	Municipal	0.528	12200	62	9874	2265	72	220	55	3	136	1705	22	51	6442	1196
80	SOUTH-EAST RAMP	Municipal	0.497	4530	25	4074	431	37	114	29	2	18	223	3	6	2251	214
80	WEST-SOUTH RAMP	Municipal	0.510	2380	13	2016	352	19	58	15	1	18	231	3	7	1214	180
80	NORTH-WEST RAMP	Municipal	0.410	2910	12	1987	910	35	109	27	2	52	656	8	19	1193	373
80	SOUTH-WEST LOOP	Municipal	0.236	1960	10	1627	323	24	74	19	1	15	182	2	5	463	76
80	WEST-NORTH LOOP	Municipal	0.311	2820	12	1997	811	39	119	30	2	44	553	7	17	877	252
80	NORTH-EAST LOOP	Municipal	0.242	10900	55	8800	2046	86	263	66	4	116	1448	19	44	2638	495
80	EAST-SOUTH LOOP	Municipal	0.199	3300	18	2854	429	43	131	33	2	16	197	3	6	657	85
80	IA 965 INTERCHANGE	Municipal	1.539	51200	236	37903	13065	347	1066	268	15	807	10121	131	308	78797	20107
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.361	6700	39	6311	350	35	108	27	2	13	159	2	4	2419	126
80	SOUTH-EAST RAMP	Municipal	0.261	2610	15	2413	182	18	55	14	1	7	84	1	2	681	48
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.379	6820	40	6367	414	23	70	18	1	22	270	3	8	2585	157
80	NORTH-WEST RAMP	Municipal	0.271	4140	25	3938	178	21	65	16	1	5	66	1	2	1122	48
80	SOUTH-WEST LOOP	Municipal	0.261	3320	18	2930	372	40	122	31	2	13	158	2	4	867	97
80	NORTH-EAST LOOP	Municipal	0.278	3740	22	3526	192	18	55	14	1	7	93	1	2	1040	53
80	1ST AVENUE INTERCHANGE AT
80	EAST LIMITS OF CORALVILLE	Municipal	2.204	50100	231	37047	12825	334	1027	258	14	795	9962	129	303	110420	28266
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.017	5300	31	4950	319	35	106	27	1	11	134	2	4	90	5
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.169	5300	31	4950	319	35	106	27	1	11	134	2	4	896	54
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.056	5300	31	4950	319	35	106	27	1	11	134	2	4	297	18
80	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.217	5500	33	5234	233	24	72	18	1	8	105	1	3	1194	51
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.249	2770	15	2473	282	24	74	19	1	12	146	2	4	690	70
80	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.193	3060	17	2663	380	29	91	23	1	17	210	3	6	591	73
80	WEST LIMITS OF IOWA CITY	Rural	0.543	55100	263	42127	12715	339	1041	261	15	785	9845	127	300	29919	6904
80	CO RD W66 & DUBUQUE ST INTCHG AT
80	EAST LIMITS OF IOWA CITY	Municipal	0.895	55100	263	42127	12715	339	1041	261	15	785	9845	127	300	49315	11380
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.292	2500	15	2359	127	14	43	11	1	4	52	1	2	730	37
80	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.211	2350	14	2220	117	15	47	12	1	3	37	0	1	496	25
80	SOUTH-EAST RAMP CONNECTION	Municipal	0.118	1460	9	1392	60	9	27	7	0	1	15	0	0	172	7
80	WEST-SOUTH RAMP CONNECTION	Municipal	0.131	5300	32	5100	169	22	68	17	1	4	54	1	2	694	22
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.218	6000	36	5767	198	27	84	21	1	5	58	1	2	1308	43
80	NORTH-WEST SOUTH-WEST RAMP	Rural	0.298	5800	35	5540	226	24	74	19	1	8	96	1	2	1728	67
80	NORTH-EAST RAMP CONNECTION	Municipal	0.112	890	5	828	57	7	20	5	0	2	22	0	0	100	6
80	WEST-NORTH RAMP CONNECTION	Municipal	0.081	660	4	627	29	5	16	4	0	0	4	0	0	53	2
80	WEST LIMITS OF IOWA CITY	Rural	1.463	48200	221	35447	12535	317	974	245	14	780	9780	126	298	70517	18339
80	IA 1 INTERCHANGE	Municipal	0.634	48200	221	35447	12535	317	974	245	14	780	9780	126	298	30559	7947
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.249	1400	7	1080	314	11	33	8	0	19	233	3	7	349	78
80	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.342	1280	7	1145	128	13	40	10	1	5	58	1	2	438	44
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.249	7100	41	6564	496	49	150	38	2	18	229	3	7	1768	124
80	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.186	7100	41	6555	505	40	121	30	2	22	278	4	9	1321	94
80	NORTH-WEST RAMP	Municipal	0.112	3240	19	3040	182	17	53	13	1	7	87	1	2	363	20
80	SOUTH-WEST RAMP	Municipal	0.050	3830	22	3486	323	22	69	17	1	15	191	2	5	192	16
80	EAST LIMITS OF IOWA CITY	Municipal	0.916	36700	153	24573	11976	252	775	195	11	763	9564	124	291	33617	10970
80	CO RD F44 INTERCHANGE	Rural	2.101	36700	153	24573	11976	252	775	195	11	763	9564	124	291	77107	25162
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.193	1310	7	1112	191	15	46	12	1	8	105	1	3	253	37
80	NORTH-EAST SOUTH-EAST RAMP	Rural	0.261	1260	7	1103	150	7	21	5	0	8	103	1	3	329	39
80	WEST-NORTH WEST-SOUTH RAMP	Rural	0.162	1650	8	1344	298	18	56	14	1	15	186	2	5	267	48
80	NORTH-WEST SOUTH-WEST RAMP	Rural	0.242	1770	9	1386	376	17	52	13	1	21	261	3	8	428	91
80	WEST LINE OF CEDAR COUNTY	Rural	4.179	35800	150	24010	11643	239	734	184	10	744	9326	120	284	149608	48656
	ROUTE SUMMARY - RURAL		19.089	28756												548931	179006
	ROUTE SUMMARY - MUNICIPAL		16.938	23445												397121	103023