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
20	28 Delaware COUNTY
20	IA 13 INTERCHANGE	Rural	5.963	7800	29	5910	1861	53	271	57	7	135	1212	52	74	46511	11097
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.292	1100	4	905	190	8	41	9	1	12	109	5	7	0	0
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.298	1280	5	1070	205	11	55	12	1	12	104	4	6	0	0
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.292	980	4	806	170	5	26	5	1	12	109	5	7	0	0
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.280	940	4	774	162	4	21	4	1	12	109	5	7	0	0
20	SOUTH LIMITS OF MANCHESTER	Rural	1.166	8300	31	6343	1926	63	321	68	8	134	1207	52	74	9678	2246
20	EAST LIMITS OF MANCHESTER	Municipal	0.513	7800	29	5958	1813	59	303	64	7	126	1136	49	70	4001	930
20	CO RD D5X INTERCHANGE	Rural	0.266	8300	31	6343	1926	63	321	68	8	134	1207	52	74	2208	512
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.379	780	4	729	47	5	24	5	1	1	11	0	0	0	0
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.323	780	4	741	35	3	15	3	0	1	11	0	0	0	0
20	NORTH-WEST SOUTH-WEST LOOP	Rural	0.212	510	2	479	29	2	8	2	0	2	15	1	1	0	0
20	WEST-NORTH WEST-SOUTH LOOP	Rural	0.221	390	2	365	23	1	6	1	0	1	12	1	1	0	0
20	IA 38 INTERCHANGE AT
20	WEST LIMITS OF DELAWARE	Rural	5.065	9000	35	7009	1957	68	345	73	8	134	1204	52	74	45585	9912
20	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.292	450	2	397	51	4	22	5	1	2	16	1	1	0	0
20	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.342	600	3	521	76	5	23	5	1	4	35	2	3	0	0
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.030	640	3	560	77	5	23	5	1	4	36	2	3	0	0
20	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.162	610	3	535	72	4	22	5	1	4	34	1	1	0	0
20	WEST-NORTH WEST-SOUTH LOOP	Municipal	0.249	430	2	377	51	2	11	2	0	3	29	1	1	0	0
20	EAST LIMITS OF DELAWARE	Municipal	0.954	7900	31	6284	1585	52	267	56	7	110	990	42	60	7537	1512
20	CO RD X35 INTERCHANGE(EARLVILLE)	Rural	2.763	8400	33	6684	1683	55	283	60	7	117	1052	45	64	23209	4650
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.410	690	3	619	68	4	22	5	1	3	30	1	1	0	0
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.381	400	2	355	43	3	15	3	0	2	18	1	1	0	0
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.249	490	2	457	31	1	5	1	0	2	20	1	1	0	0
20	NORTH-EAST SOUTH-EAST LOOP	Rural	0.242	610	3	544	63	4	22	5	1	3	26	1	1	0	0
20	EAST JUNCTION CO RD X47	Rural	4.220	8200	32	6468	1700	60	305	64	7	116	1039	45	64	34604	7174
20	WEST LIMITS OF DYERSVILLE	Rural	0.748	8900	35	7165	1700	60	305	64	7	116	1039	45	64	6657	1272
20	CO RD X49 INTERCHANGE	Municipal	1.117	8900	35	7165	1700	60	305	64	7	116	1039	45	64	9941	1899
20	WEST INNERLEG *	Municipal	0.339	8000	32	6532	1436	46	235	50	6	101	904	39	55	2712	487
20	EAST INNERLEG WEST PART AT
20	EAST LIMITS OF DYERSVILLE *	Municipal	0.133	8000	32	6532	1436	46	235	50	6	101	904	39	55	1064	191
20	EAST INNERLEG CENTER PART *	Rural	0.162	8000	32	6532	1436	46	235	50	6	101	904	39	55	1296	233
20	EAST INNERLEG EAST PART *	Rural	0.037	8800	35	7161	1604	56	284	60	7	110	986	42	60	326	59
20	EAST-NORTH EAST-SOUTH RAMP *	Municipal	0.311	730	3	658	69	4	22	5	1	3	31	1	1	0	0
20	NORTH-EAST SOUTH-EAST RAMP *	Rural	0.345	730	3	560	168	9	48	10	1	9	81	3	4	0	0
20	WEST-NORTH WEST-SOUTH RAMP *	Municipal	0.144	440	1	279	159	8	38	8	1	10	86	4	5	0	0
20	WEST-NORTH WEST-SOUTH RAMP *	Rural	0.168	440	1	279	159	8	38	8	1	10	86	4	5	0	0
20	NORTH-WEST SOUTH-WEST *	Municipal	0.379	420	2	312	106	6	32	7	1	5	49	2	3	0	0
20	JUNCTION 7TH STREET (DYERSVILLE)	Rural	0.301	9500	38	7762	1700	60	305	64	7	116	1039	45	64	2860	512
20	WEST LINE OF DUBUQUE COUNTY	Rural	0.172	9500	38	7762	1700	60	305	64	7	116	1039	45	64	1634	292
	ROUTE SUMMARY - RURAL		24.985	7109												174568	37959
	ROUTE SUMMARY - MUNICIPAL		4.935	5319												25255	5019