Iowa DOT

Volume of Traffic on the Primary Road System

Route	2010	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2010				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	23900	80	14755	9065	158	482	111	7	720	7289	81	216	37045	14051
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.298	390	2	363	25	3	8	2	0	1	11	0	0	116	7
80	NORTH-EAST SOUTH-EAST RAMP	Rural	0.311	440	2	397	40	4	13	3	0	2	17	0	0	137	12
80	NORTH-WEST SOUTH-WEST RAMP	Rural	0.280	170	1	150	19	2	6	1	0	1	8	0	0	48	5
80	WEST-NORTH WEST-SOUTH LOOP	Rural	0.180	160	1	137	22	1	4	1	0	1	13	0	0	29	4
80	WEST LIMITS OF TIFFIN	Rural	6.663	29800	112	20599	9089	161	493	114	7	721	7295	81	216	198557	60560
80	CO RD W52 INTERCHANGE	Municipal	0.501	29800	112	20599	9089	161	493	114	7	721	7295	81	216	14930	4554
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.267	1090	5	951	133	9	27	6	0	8	79	1	2	291	36
80	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.342	1350	6	1189	155	11	33	8	0	9	90	1	3	462	53
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.267	170	1	156	13	2	6	1	0	0	4	0	0	45	3
80	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.280	290	1	246	43	4	11	2	0	2	23	0	0	81	12
80	I 380 & US 218 INTERCHANGE AT EAST LIMITS OF TIFFIN &
80	WEST LIMITS OF CORALVILLE	Municipal	1.462	31800	121	22357	9321	176	537	124	8	735	7438	83	222	46492	13627
80	EAST-NORTH RAMP	Municipal	0.528	11500	51	9474	1975	87	267	62	4	135	1364	15	40	6072	1043
80	SOUTH-EAST RAMP	Municipal	0.497	3960	19	3497	444	36	111	26	2	23	237	3	7	1968	221
80	WEST-SOUTH RAMP	Municipal	0.510	2080	9	1701	370	22	69	16	1	23	230	3	7	1061	189
80	NORTH-WEST RAMP	Municipal	0.410	2820	10	1917	892	24	72	17	1	68	683	8	21	1156	366
80	SOUTH-WEST LOOP	Municipal	0.236	1970	8	1520	442	56	172	40	2	15	151	2	5	465	104
80	WEST-NORTH LOOP	Municipal	0.311	2750	10	1898	842	41	125	29	2	56	566	6	17	855	262
80	NORTH-EAST LOOP	Municipal	0.242	12600	58	10713	1829	98	300	69	4	118	1191	13	35	3049	443
80	EAST-SOUTH LOOP	Municipal	0.199	3160	15	2677	469	56	170	39	2	17	176	2	5	629	93
80	IA 965 INTERCHANGE	Municipal	1.539	53400	226	41682	11492	310	948	219	14	867	8776	98	261	82183	17686
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.361	8000	41	7556	403	57	175	40	3	11	112	1	3	2888	145
80	SOUTH-EAST RAMP	Municipal	0.261	2100	10	1842	248	34	103	24	1	7	75	1	2	548	65
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.379	7700	40	7334	326	43	131	30	2	10	105	1	3	2918	124
80	NORTH-WEST RAMP	Municipal	0.271	3490	18	3295	177	25	76	18	1	5	50	1	2	946	48
80	SOUTH-WEST LOOP	Municipal	0.003	3150	16	2995	139	11	34	8	0	7	75	1	2	9	0
80	NORTH-EAST LOOP	Municipal	0.278	3640	19	3429	193	22	66	15	1	8	78	1	2	1012	54
80	1ST AVENUE INTERCHANGE AT
80	EAST LIMITS OF CORALVILLE	Municipal	2.356	52700	222	40818	11660	344	1052	243	15	868	8779	98	261	124161	27471
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.017	5800	30	5497	273	32	99	23	1	10	103	1	3	99	5
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.169	5800	30	5497	273	32	99	23	1	10	103	1	3	980	46
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.056	5800	30	5497	273	32	99	23	1	10	103	1	3	325	15
80	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.217	6200	32	5870	298	36	109	25	2	11	111	1	3	1345	65
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.249	2890	14	2579	297	37	113	26	2	10	104	1	3	720	74
80	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.193	3390	16	2930	444	62	189	44	3	13	129	1	3	654	86
80	WEST LIMITS OF IOWA CITY	Rural	0.391	58500	254	46756	11490	313	959	221	14	866	8759	98	261	22874	4493
80	CO RD W66 & DUBUQUE ST INTCHG AT
80	EAST LIMITS OF IOWA CITY	Municipal	0.895	58500	254	46756	11490	313	959	221	14	866	8759	98	261	52358	10284
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.292	2560	13	2461	85	14	43	10	1	2	16	0	0	748	25
80	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.211	3100	16	2980	104	20	62	14	1	1	6	0	0	654	22
80	SOUTH-EAST RAMP CONNECTION	Municipal	0.118	1840	10	1779	51	10	31	7	0	0	2	0	0	217	6
80	WEST-SOUTH RAMP CONNECTION	Municipal	0.131	5900	31	5774	95	19	58	13	1	0	4	0	0	773	12
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.218	6500	34	6351	114	21	66	15	1	1	10	0	0	1417	25
80	NORTH-WEST SOUTH-WEST RAMP	Rural	0.298	6600	35	6453	112	21	63	15	1	1	11	0	0	1967	33
80	NORTH-EAST RAMP CONNECTION	Municipal	0.112	1270	7	1217	47	9	27	6	0	0	4	0	0	142	5
80	WEST-NORTH RAMP CONNECTION	Municipal	0.081	620	3	598	19	2	8	2	0	1	6	0	0	50	2
80	WEST LIMITS OF IOWA CITY	Rural	1.463	51100	214	39439	11447	304	931	215	13	866	8760	98	261	74759	16747
80	IA 1 INTERCHANGE	Municipal	0.634	51100	214	39439	11447	304	931	215	13	866	8760	98	261	32397	7257
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.249	1360	7	1253	100	9	27	6	0	5	50	1	2	339	25
80	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.431	1290	7	1222	62	5	14	3	0	3	35	0	1	556	27
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.249	9000	48	8784	168	19	57	13	1	7	68	1	2	2241	42
80	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.186	7800	41	7543	216	30	91	21	1	6	64	1	2	1451	40
80	NORTH-WEST RAMP	Municipal	0.112	3570	19	3466	85	13	39	9	1	2	20	0	0	400	10
80	SOUTH-WEST RAMP	Municipal	0.109	4230	22	4077	131	17	52	12	1	4	44	0	1	461	14
80	EAST LIMITS OF IOWA CITY	Municipal	0.916	36900	139	25536	11225	269	824	190	12	861	8713	97	259	33800	10282
80	CO RD F44 INTERCHANGE	Rural	2.101	36900	139	25536	11225	269	824	190	12	861	8713	97	259	77527	23584
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.193	1050	5	885	160	7	20	5	0	11	112	1	3	203	31
80	NORTH-EAST SOUTH-EAST RAMP	Rural	0.261	1280	6	1125	149	5	14	3	0	11	111	1	3	334	39
80	WEST-NORTH WEST-SOUTH RAMP	Rural	0.162	1340	6	1169	165	30	92	21	1	2	18	0	0	217	27
80	NORTH-WEST SOUTH-WEST RAMP	Rural	0.242	1320	6	1138	175	31	95	22	1	2	23	0	0	319	42
80	WEST LINE OF CEDAR COUNTY	Rural	4.179	36600	137	25269	11194	220	672	155	10	879	8895	99	264	152951	46780
	ROUTE SUMMARY - RURAL		18.937	30008												568255	166460
	ROUTE SUMMARY - MUNICIPAL		16.980	24922												423176	94923