Iowa DOT

Volume of Traffic on the Primary Road System

Route	2015	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2015				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	31700	105	21732	9864	242	888	176	10	538	7675	103	232	49135	15289
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.298	590	3	546	42	5	20	4	0	1	12	0	0	0	0
80	NORTH-EAST SOUTH-EAST RAMP	Rural	0.311	550	2	506	42	4	15	3	0	1	18	0	0	0	0
80	NORTH-WEST SOUTH-WEST RAMP	Rural	0.280	220	1	208	11	1	3	1	0	0	6	0	0	0	0
80	WEST-NORTH WEST-SOUTH LOOP	Rural	0.180	230	1	213	16	2	6	1	0	0	6	0	0	0	0
80	WEST LIMITS OF TIFFIN	Rural	6.663	32500	108	22471	9920	249	913	181	11	539	7692	104	234	216548	66097
80	CO RD W52 INTERCHANGE	Municipal	0.501	32200	107	22248	9844	247	906	180	11	535	7633	103	232	16132	4932
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.267	2470	11	2198	261	31	113	22	1	6	84	1	2	0	0
80	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.342	2360	10	2107	243	28	103	20	1	6	82	1	2	0	0
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.267	450	2	394	54	6	20	4	0	2	22	0	0	0	0
80	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.280	740	3	649	87	8	30	6	0	3	38	1	2	0	0
80	I 380 & US 218 INTERCHANGE AT EAST LIMITS OF TIFFIN &
80	WEST LIMITS OF CORALVILLE	Municipal	1.462	35800	123	25471	10206	292	1071	213	13	542	7738	104	234	52340	14921
80	EAST-NORTH RAMP	Municipal	0.528	12900	51	10547	2303	70	258	51	3	121	1725	23	52	0	0
80	SOUTH-EAST RAMP	Municipal	0.497	5100	22	4569	509	35	130	26	2	20	285	4	8	0	0
80	WEST-SOUTH RAMP	Municipal	0.510	2520	10	2136	374	18	66	13	1	17	248	3	7	0	0
80	NORTH-WEST RAMP	Municipal	0.410	3700	13	2670	1017	43	159	32	2	49	701	9	21	0	0
80	SOUTH-WEST LOOP	Municipal	0.236	2880	12	2526	342	23	84	17	1	14	195	3	6	0	0
80	WEST-NORTH LOOP	Municipal	0.311	2990	10	2119	861	37	136	27	2	41	592	8	18	0	0
80	NORTH-EAST LOOP	Municipal	0.242	12300	48	9975	2277	87	320	63	4	113	1619	22	50	0	0
80	EAST-SOUTH LOOP	Municipal	0.199	3500	15	3093	392	29	107	21	1	15	210	3	6	0	0
80	IA 965 INTERCHANGE	Municipal	1.539	57500	213	44192	13095	392	1440	286	17	689	9841	133	298	88493	20153
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.361	7800	36	7547	217	19	70	14	1	7	101	1	3	0	0
80	SOUTH-EAST RAMP	Municipal	0.261	2710	13	2617	80	8	30	6	0	2	31	0	0	0	0
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.379	9000	41	8581	377	44	163	32	2	8	121	2	4	0	0
80	NORTH-WEST RAMP	Municipal	0.271	4690	22	4523	145	21	77	15	1	2	28	0	0	0	0
80	SOUTH-WEST LOOP	Municipal	0.261	3080	14	2841	225	30	111	22	1	4	54	1	2	0	0
80	NORTH-EAST LOOP	Municipal	0.278	3110	14	2992	103	11	42	8	0	3	37	0	1	0	0
80	1ST AVENUE INTERCHANGE	Municipal	2.356	54400	200	41452	12749	335	1231	244	14	687	9809	132	297	128166	30037
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.017	6200	29	6012	159	22	80	16	1	3	37	0	1	0	0
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.169	6200	29	6013	158	21	79	16	1	3	37	0	1	0	0
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.056	6200	29	6012	159	22	80	16	1	3	37	0	1	0	0
80	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.217	6300	30	6119	152	20	75	15	1	3	37	0	1	0	0
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.249	3690	17	3425	249	28	103	20	1	6	87	1	2	0	0
80	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.193	4910	23	4671	216	22	80	16	1	6	88	1	2	0	0
80	EAST LIMITS OF CORALVILLE AT
80	WEST LIMITS OF IOWA CITY	Rural	0.391	58700	221	45787	12693	330	1212	241	14	685	9784	132	296	22952	4963
80	CO RD W66 & DUBUQUE ST INTCHG AT
80	EAST LIMITS OF IOWA CITY	Municipal	0.895	58200	219	45386	12595	328	1203	239	14	680	9708	131	294	52089	11273
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.292	3150	14	2980	155	26	94	19	1	1	13	0	0	0	0
80	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.323	3600	16	3339	245	38	140	28	2	2	34	0	1	0	0
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.299	7600	36	7444	120	19	68	14	1	1	17	0	0	0	0
80	NORTH-WEST SOUTH-WEST RAMP	Rural	0.298	6500	31	6342	127	19	69	14	1	2	22	0	0	0	0
80	WEST LIMITS OF IOWA CITY	Rural	1.462	51200	184	38169	12847	357	1309	260	15	686	9792	132	296	74854	18782
80	IA 1 INTERCHANGE	Municipal	0.634	50800	183	37869	12748	354	1299	258	15	681	9717	131	294	32207	8082
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.249	1650	7	1547	95	12	43	9	1	2	28	0	0	0	0
80	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.342	1450	7	1366	78	10	35	7	0	2	23	0	0	0	0
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.249	9100	42	8753	305	43	159	32	2	4	62	1	2	0	0
80	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.186	8800	41	8516	243	34	125	25	1	4	52	1	2	0	0
80	NORTH-WEST RAMP	Municipal	0.112	3940	18	3787	135	17	63	13	1	3	37	0	1	0	0
80	SOUTH-WEST RAMP	Municipal	0.050	4900	23	4769	108	17	62	12	1	1	14	0	0	0	0
80	EAST LIMITS OF IOWA CITY	Municipal	0.931	36000	113	23513	12374	298	1094	217	13	676	9654	130	292	33516	11520
80	CO RD F44 INTERCHANGE	Rural	2.086	36300	114	23715	12470	300	1102	219	13	682	9730	131	294	75722	26012
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.193	1370	6	1227	137	8	30	6	0	6	84	1	2	0	0
80	NORTH-EAST SOUTH-EAST RAMP	Rural	0.261	1420	6	1279	134	6	21	4	0	6	92	1	2	0	0
80	WEST-NORTH WEST-SOUTH RAMP	Rural	0.162	2330	10	2159	161	19	71	14	1	4	50	1	2	0	0
80	NORTH-WEST SOUTH-WEST RAMP	Rural	0.242	2060	9	1885	166	21	76	15	1	3	48	1	2	0	0
80	WEST LINE OF CEDAR COUNTY	Rural	4.179	34600	106	22080	12414	274	1006	200	12	687	9807	132	297	144593	51878
	ROUTE SUMMARY - RURAL		19.017	31007												583804	183021
	ROUTE SUMMARY - MUNICIPAL		16.760	26531												402943	100918