Iowa DOT

Volume of Traffic on the Primary Road System

Route	2014	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2014				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	30600	105	20983	9512	236	847	176	10	392	7542	87	221	47430	14744
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.298	570	3	526	41	5	19	4	0	1	12	0	0	0	0
80	NORTH-EAST SOUTH-EAST RAMP	Rural	0.311	530	2	488	40	4	14	3	0	1	17	0	0	0	0
80	NORTH-WEST SOUTH-WEST RAMP	Rural	0.280	210	1	198	11	1	3	1	0	0	6	0	0	0	0
80	WEST-NORTH WEST-SOUTH LOOP	Rural	0.180	220	1	203	16	2	6	1	0	0	6	0	0	0	0
80	WEST LIMITS OF TIFFIN	Rural	6.663	31300	109	21626	9566	243	871	181	10	393	7558	88	222	208552	63738
80	CO RD W52 INTERCHANGE	Municipal	0.501	31300	109	21626	9566	243	871	181	10	393	7558	88	222	15681	4793
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.267	2400	11	2136	253	30	109	23	1	4	82	1	2	0	0
80	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.342	2290	10	2044	236	28	99	21	1	4	81	1	2	0	0
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.267	440	2	386	52	5	19	4	0	1	21	0	0	0	0
80	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.280	720	3	632	85	8	29	6	0	2	38	0	1	0	0
80	I 380 & US 218 INTERCHANGE AT EAST LIMITS OF TIFFIN &
80	WEST LIMITS OF CORALVILLE	Municipal	1.462	34800	124	24758	9918	287	1030	214	12	399	7662	89	225	50878	14500
80	EAST-NORTH RAMP	Municipal	0.528	12500	51	10210	2238	69	248	51	3	89	1708	20	51	0	0
80	SOUTH-EAST RAMP	Municipal	0.497	5000	23	4482	495	35	125	26	1	15	282	3	8	0	0
80	WEST-SOUTH RAMP	Municipal	0.510	2450	10	2076	363	18	63	13	1	13	245	3	7	0	0
80	NORTH-WEST RAMP	Municipal	0.410	3600	13	2599	988	43	153	32	2	36	694	8	20	0	0
80	SOUTH-WEST LOOP	Municipal	0.236	2800	12	2455	332	22	81	17	1	10	193	2	5	0	0
80	WEST-NORTH LOOP	Municipal	0.311	2910	10	2064	836	36	131	27	2	30	586	7	17	0	0
80	NORTH-EAST LOOP	Municipal	0.242	12000	49	9738	2213	86	308	64	4	83	1603	19	47	0	0
80	EAST-SOUTH LOOP	Municipal	0.199	3400	15	3004	381	29	103	21	1	11	208	2	5	0	0
80	IA 965 INTERCHANGE	Municipal	1.539	55900	216	42958	12726	386	1385	288	16	507	9745	113	286	86030	19585
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.361	7600	37	7353	211	19	67	14	1	5	101	1	3	0	0
80	SOUTH-EAST RAMP	Municipal	0.261	2630	13	2540	78	8	29	6	0	2	31	0	1	0	0
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.379	8700	42	8292	366	44	157	33	2	6	120	1	3	0	0
80	NORTH-WEST RAMP	Municipal	0.271	4560	22	4396	141	21	74	15	1	1	27	0	0	0	0
80	SOUTH-WEST LOOP	Municipal	0.261	2990	14	2759	218	30	107	22	1	3	53	1	2	0	0
80	NORTH-EAST LOOP	Municipal	0.278	3020	15	2906	100	11	40	8	0	2	37	0	1	0	0
80	1ST AVENUE INTERCHANGE AT
80	EAST LIMITS OF CORALVILLE	Municipal	2.356	52900	203	40307	12390	330	1184	246	14	505	9713	113	285	124632	29191
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.017	6000	29	5817	154	21	76	16	1	2	37	0	1	0	0
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.169	6000	29	5817	154	21	76	16	1	2	37	0	1	0	0
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.056	6000	29	5817	154	21	76	16	1	2	37	0	1	0	0
80	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.217	6100	30	5922	148	20	72	15	1	2	37	0	1	0	0
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.249	3590	17	3331	242	28	99	21	1	4	86	1	2	0	0
80	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.193	4770	23	4537	210	21	77	16	1	5	87	1	2	0	0
80	WEST LIMITS OF IOWA CITY	Rural	0.391	56600	222	44139	12240	322	1157	240	14	500	9613	111	282	22131	4786
80	CO RD W66 & DUBUQUE ST INTCHG AT
80	EAST LIMITS OF IOWA CITY	Municipal	0.895	56600	222	44139	12240	322	1157	240	14	500	9613	111	282	50657	10955
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.292	3040	14	2877	149	25	90	19	1	1	13	0	0	0	0
80	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.323	3500	16	3245	238	37	134	28	2	2	34	0	1	0	0
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.299	7400	36	7248	116	18	65	14	1	1	16	0	0	0	0
80	NORTH-WEST SOUTH-WEST RAMP	Rural	0.298	6300	31	6147	122	18	66	14	1	1	21	0	0	0	0
80	WEST LIMITS OF IOWA CITY	Rural	1.463	49400	185	36826	12389	348	1250	260	15	501	9622	111	282	72272	18125
80	IA 1 INTERCHANGE	Municipal	0.634	49400	185	36826	12389	348	1250	260	15	501	9622	111	282	31320	7855
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.249	1600	8	1500	92	12	41	9	0	1	27	0	0	0	0
80	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.342	1410	7	1327	76	9	34	7	0	1	23	0	0	0	0
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.249	8800	43	8462	296	43	153	32	2	3	61	1	2	0	0
80	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.186	8600	42	8322	236	33	120	25	1	3	51	1	2	0	0
80	NORTH-WEST RAMP	Municipal	0.112	3830	18	3680	131	17	61	13	1	2	37	0	1	0	0
80	SOUTH-WEST RAMP	Municipal	0.050	4760	23	4631	105	17	59	12	1	1	15	0	0	0	0
80	EAST LIMITS OF IOWA CITY	Municipal	0.931	35000	115	22860	12025	293	1052	219	12	497	9560	111	281	32585	11195
80	CO RD F44 INTERCHANGE	Rural	2.086	35000	115	22860	12025	293	1052	219	12	497	9560	111	281	73010	25084
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.193	1320	6	1182	132	8	28	6	0	4	82	1	2	0	0
80	NORTH-EAST SOUTH-EAST RAMP	Rural	0.261	1370	6	1234	129	6	20	4	0	5	91	1	2	0	0
80	WEST-NORTH WEST-SOUTH RAMP	Rural	0.162	2250	10	2084	155	19	67	14	1	3	49	1	2	0	0
80	NORTH-WEST SOUTH-WEST RAMP	Rural	0.242	1990	9	1821	160	20	72	15	1	2	48	1	2	0	0
80	WEST LINE OF CEDAR COUNTY	Rural	4.179	33400	107	21322	11971	268	961	200	11	501	9636	112	283	139579	50027
	ROUTE SUMMARY - RURAL		18.922	30022												562974	176504
	ROUTE SUMMARY - MUNICIPAL		16.856	25682												391783	98074