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	10 Buchanan COUNTY
20	CO RD V65 INTERCHANGE	Rural	0.458	11300	46	9362	1892	65	330	70	8	130	1169	50	71	5175	867
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.311	400	2	337	61	3	17	4	0	3	30	1	1	0	0
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.280	510	2	450	58	5	23	5	1	2	21	1	1	0	0
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.311	750	3	687	60	4	22	5	1	3	24	1	1	0	0
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.267	750	3	696	50	3	17	4	0	2	21	1	1	0	0
20	WEST LIMITS OF INDEPENDENCE	Rural	5.991	10800	44	8855	1902	65	331	70	8	131	1175	50	71	64703	11395
20	EAST LIMITS OF INDEPENDENCE	Municipal	0.498	10400	42	8530	1828	62	319	67	8	126	1129	48	68	5179	910
20	IOWA AVENUE INTERCHANGE	Rural	0.502	10800	44	8855	1902	65	331	70	8	131	1175	50	71	5422	955
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.280	770	4	716	51	4	18	4	0	2	21	1	1	0	0
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.249	830	4	754	72	4	21	4	1	4	35	1	2	0	0
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.292	750	4	713	33	2	10	2	0	2	15	1	1	0	0
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.230	690	3	653	34	2	9	2	0	2	17	1	1	0	0
20	IA 150 INTERCHANGE	Rural	1.499	10900	44	8897	1959	69	350	74	9	133	1200	51	72	16339	2937
20	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.261	1700	8	1555	137	8	40	8	1	7	66	3	4	0	0
20	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.242	1620	7	1467	146	5	27	6	1	10	88	4	5	0	0
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.261	1810	8	1572	230	9	48	10	1	15	133	6	8	0	0
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.249	1930	8	1702	220	10	50	10	1	14	123	5	7	0	0
20	RACINE AVENUE INTERCHANGE	Rural	7.095	10600	43	8726	1831	63	324	68	8	125	1125	48	68	75207	12991
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.317	210	1	112	97	3	15	3	0	7	63	3	4	0	0
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.261	240	1	130	109	2	10	2	0	9	77	3	4	0	0
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.317	1270	6	1154	110	8	39	8	1	5	44	2	3	0	0
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.261	1220	6	1124	91	8	39	8	1	3	29	1	1	0	0
20	IA 187 INTERCHANGE	Rural	5.441	8500	33	6654	1814	53	270	57	7	131	1174	50	71	46249	9870
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.311	310	1	224	85	3	14	3	0	6	53	2	3	0	0
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.280	240	1	173	66	3	14	3	0	4	38	2	3	0	0
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.311	590	3	541	46	2	10	2	0	3	26	1	1	0	0
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.249	600	3	539	58	3	16	3	0	3	29	1	1	0	0
20	WEST LINE OF DELAWARE COUNTY	Rural	2.534	7800	29	5910	1861	53	271	57	7	135	1212	52	74	19765	4716
	ROUTE SUMMARY - RURAL		28.557	8287												232860	43731
	ROUTE SUMMARY - MUNICIPAL		1.001	6009												5179	910