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
20	28 Delaware COUNTY
20	IA 13 INTERCHANGE	Rural	5.963	7600	31	5762	1807	53	261	57	6	137	1181	47	64	45319	10775
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.292	1070	5	881	184	8	39	9	1	12	106	4	5	0	0
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.298	1240	6	1036	199	11	53	12	1	12	101	4	5	0	0
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.292	950	4	781	165	5	25	5	1	12	107	4	5	0	0
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.280	910	4	749	157	4	20	4	0	12	106	4	5	0	0
20	SOUTH LIMITS OF MANCHESTER	Rural	1.166	8100	33	6197	1870	63	308	68	7	136	1176	47	64	9445	2180
20	EAST LIMITS OF MANCHESTER	Municipal	0.513	7700	31	5888	1781	60	294	65	7	130	1120	45	61	3950	914
20	CO RD D5X INTERCHANGE	Rural	0.266	8100	33	6197	1870	63	308	68	7	136	1176	47	64	2155	497
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.379	760	4	711	46	5	23	5	1	1	11	0	0	0	0
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.323	760	4	722	34	3	15	3	0	1	11	0	0	0	0
20	NORTH-WEST SOUTH-WEST LOOP	Rural	0.212	490	2	460	28	2	8	2	0	2	14	1	1	0	0
20	WEST-NORTH WEST-SOUTH LOOP	Rural	0.221	380	2	355	23	1	6	1	0	1	12	0	0	0	0
20	IA 38 INTERCHANGE AT
20	WEST LIMITS OF DELAWARE	Rural	5.065	8700	36	6764	1900	68	332	73	8	136	1172	47	64	44066	9624
20	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.292	440	2	388	50	4	21	5	0	2	17	1	1	0	0
20	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.342	590	3	513	74	5	22	5	1	4	35	1	1	0	0
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.030	620	3	542	75	5	22	5	1	4	36	1	1	0	0
20	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.162	600	3	527	70	4	21	5	0	4	33	1	1	0	0
20	WEST-NORTH WEST-SOUTH LOOP	Municipal	0.249	420	2	368	50	2	11	2	0	3	28	1	1	0	0
20	EAST LIMITS OF DELAWARE	Municipal	0.954	7800	33	6210	1557	53	259	57	6	113	976	39	54	7441	1485
20	CO RD X35 INTERCHANGE(EARLVILLE)	Rural	2.763	8200	35	6532	1634	55	272	60	6	119	1025	41	56	22657	4515
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.410	670	3	601	66	4	21	5	0	3	29	1	1	0	0
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.381	390	2	347	41	3	14	3	0	2	17	1	1	0	0
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.249	480	2	447	30	1	5	1	0	2	19	1	1	0	0
20	NORTH-EAST SOUTH-EAST LOOP	Rural	0.242	590	3	526	61	4	21	5	0	3	25	1	1	0	0
20	EAST JUNCTION CO RD X47	Rural	4.220	8000	34	6317	1650	60	293	64	7	117	1012	41	56	33760	6963
20	WEST LIMITS OF DYERSVILLE	Rural	0.748	8600	37	6913	1650	60	293	64	7	117	1012	41	56	6433	1234
20	JUNCTION CO RD X49 AT
20	EAST LIMITS OF DYERSVILLE	Municipal	1.589	8900	39	7291	1571	57	279	61	6	112	964	39	53	14142	2496
20	JUNCTION 7TH STREET (DYERSVILLE)	Rural	0.500	9200	40	7510	1650	60	293	64	7	117	1012	41	56	4600	825
20	WEST LINE OF DUBUQUE COUNTY	Rural	0.172	9200	40	7510	1650	60	293	64	7	117	1012	41	56	1582	284
	ROUTE SUMMARY - RURAL		24.472	7055												170017	36897
	ROUTE SUMMARY - MUNICIPAL		4.101	6356												25533	4895