Iowa DOT

Volume of Traffic on the Primary Road System

Route	2016	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2016				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	32800	90	22920	9791	261	1012	173	7	509	7497	93	240	50840	15176
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.298	580	2	507	71	10	37	6	0	1	16	0	0	0	0
80	NORTH-EAST SOUTH-EAST RAMP	Rural	0.311	550	2	479	69	7	26	5	0	2	28	0	1	0	0
80	NORTH-WEST SOUTH-WEST RAMP	Rural	0.280	230	1	203	26	3	10	2	0	1	11	0	0	0	0
80	WEST-NORTH WEST-SOUTH LOOP	Rural	0.180	200	1	170	29	2	9	2	0	1	14	0	0	0	0
80	WEST LIMITS OF TIFFIN	Rural	6.663	33500	92	23532	9876	272	1057	180	7	510	7516	94	241	223211	65804
80	CO RD W52 INTERCHANGE	Municipal	0.501	33500	92	23532	9876	272	1057	180	7	510	7516	94	241	16784	4948
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.267	2140	7	1910	222	15	60	10	0	8	122	2	4	0	0
80	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.410	2230	8	2000	222	15	60	10	0	8	122	2	4	0	0
80	NORTH-EAST RAMP	Municipal	0.029	1750	6	1580	163	8	29	5	0	7	109	1	3	0	0
80	SOUTH-EAST RAMP	Municipal	0.035	480	2	429	49	4	14	2	0	2	26	0	0	0	0
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.267	460	1	373	85	6	24	4	0	3	45	1	2	0	0
80	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.280	790	3	672	116	10	37	6	0	4	57	1	2	0	0
80	I 380 & US 218 INTERCHANGE AT EAST LIMITS OF TIFFIN &
80	WEST LIMITS OF CORALVILLE	Municipal	1.462	36700	104	26477	10119	288	1115	190	8	520	7659	95	245	53655	14794
80	EAST-NORTH RAMP	Municipal	0.528	13700	44	11311	2345	83	320	55	2	115	1695	21	54	0	0
80	SOUTH-EAST RAMP	Municipal	0.497	4890	16	4149	725	62	239	41	2	23	343	4	10	0	0
80	WEST-SOUTH RAMP	Municipal	0.510	2360	8	1992	360	28	109	19	1	12	183	2	5	0	0
80	NORTH-WEST RAMP	Municipal	0.410	3560	10	2654	895	45	175	30	1	39	579	7	18	0	0
80	SOUTH-WEST LOOP	Municipal	0.236	2310	8	1967	335	26	100	17	1	12	173	2	5	0	0
80	WEST-NORTH LOOP	Municipal	0.311	3430	10	2619	800	29	113	19	1	39	574	7	18	0	0
80	NORTH-EAST LOOP	Municipal	0.242	13400	43	10892	2466	85	330	56	2	122	1791	22	57	0	0
80	EAST-SOUTH LOOP	Municipal	0.199	3950	13	3193	744	72	281	48	2	21	307	4	10	0	0
80	IA 965 INTERCHANGE	Municipal	1.539	60900	183	46708	14009	461	1790	305	13	698	10286	128	329	93725	21560
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.361	7300	27	6916	357	43	168	29	1	7	104	1	3	0	0
80	SOUTH-EAST RAMP	Municipal	0.261	2800	10	2601	189	22	84	14	1	4	61	1	2	0	0
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.379	7900	29	7476	395	47	181	31	1	8	121	2	4	0	0
80	NORTH-WEST RAMP	Municipal	0.271	4600	17	4376	206	27	104	18	1	3	50	1	2	0	0
80	SOUTH-WEST LOOP	Municipal	0.261	3520	13	3346	161	15	58	10	0	5	70	1	2	0	0
80	NORTH-EAST LOOP	Municipal	0.278	4310	16	4104	190	27	106	18	1	2	34	0	1	0	0
80	1ST AVENUE INTERCHANGE	Municipal	2.356	59300	177	45140	13983	465	1804	308	13	695	10243	128	329	139711	32944
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.017	5600	21	5471	107	9	35	6	0	3	51	1	2	0	0
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.169	5600	21	5471	107	9	35	6	0	3	51	1	2	0	0
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.056	5600	21	5471	107	9	35	6	0	3	51	1	2	0	0
80	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.217	6400	25	6270	105	9	35	6	0	3	49	1	2	0	0
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.249	4420	16	4149	255	23	88	15	1	8	116	1	3	0	0
80	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.193	4260	16	3972	272	27	107	18	1	7	107	1	3	0	0
80	EAST LIMITS OF CORALVILLE AT
80	WEST LIMITS OF IOWA CITY	Rural	0.391	62600	191	48741	13668	433	1680	287	12	687	10121	126	324	24477	5344
80	CO RD W66 & DUBUQUE ST INTCHG AT
80	EAST LIMITS OF IOWA CITY	Municipal	0.895	62600	191	48741	13668	433	1680	287	12	687	10121	126	324	56027	12233
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.292	2030	7	1828	195	27	107	18	1	3	38	0	1	0	0
80	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.323	2030	7	1828	195	27	107	18	1	3	38	0	1	0	0
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.299	6300	24	6153	122	18	71	12	0	1	18	0	0	0	0
80	NORTH-WEST SOUTH-WEST RAMP	Rural	0.298	6000	23	5855	122	18	71	12	0	1	18	0	0	0	0
80	WEST LIMITS OF IOWA CITY	Rural	1.462	54400	158	40428	13814	451	1751	299	12	689	10161	127	326	79533	20196
80	IA 1 INTERCHANGE	Municipal	0.634	54400	158	40428	13814	451	1751	299	12	689	10161	127	326	34490	8758
80	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.249	1530	5	1404	121	12	48	8	0	3	47	1	2	0	0
80	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.342	1740	6	1620	114	11	42	7	0	3	49	1	2	0	0
80	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.249	8800	33	8435	332	46	178	30	1	5	68	1	2	0	0
80	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.186	7600	28	7222	349	46	179	31	1	6	83	1	2	0	0
80	NORTH-WEST RAMP	Municipal	0.112	3400	12	3192	196	24	91	16	1	4	58	1	2	0	0
80	SOUTH-WEST RAMP	Municipal	0.050	4200	16	4032	153	23	88	15	1	2	24	0	0	0	0
80	EAST LIMITS OF IOWA CITY	Municipal	0.931	41300	109	27823	13368	382	1483	253	10	686	10105	126	324	38450	12446
80	CO RD F44 INTERCHANGE	Rural	2.086	41300	109	27823	13368	382	1483	253	10	686	10105	126	324	86152	27886
80	EAST-NORTH EAST-SOUTH RAMP	Rural	0.193	1300	5	1155	141	9	36	6	0	5	80	1	2	0	0
80	NORTH-EAST SOUTH-EAST RAMP	Rural	0.314	1180	4	1037	139	12	45	8	0	5	67	1	2	0	0
80	NORTH-EAST RAMP	Municipal	0.024	40	0	27	12	1	3	0	0	0	7	0	0	0	0
80	SOUTH-EAST RAMP	Rural	0.142	1140	4	1009	127	11	42	7	0	4	59	1	2	0	0
80	WEST-NORTH WEST-SOUTH RAMP	Rural	0.162	1970	7	1695	268	34	131	22	1	5	72	1	2	0	0
80	NORTH-WEST SOUTH-WEST RAMP	Rural	0.330	2150	7	1877	266	33	130	22	1	5	72	1	2	0	0
80	NORTH-WEST RAMP	Rural	0.083	1060	4	967	89	9	36	6	0	2	33	0	1	0	0
80	SOUTH-WEST RAMP	Rural	0.023	1090	4	910	177	24	93	16	1	3	39	0	1	0	0
80	WEST LINE OF CEDAR COUNTY	Rural	4.179	39600	103	26383	13114	336	1304	223	9	686	10108	126	324	165488	54803
	ROUTE SUMMARY - RURAL		19.406	32742												629701	189209
	ROUTE SUMMARY - MUNICIPAL		16.916	28013												432842	107683