Iowa DOT

Volume of Traffic on the Primary Road System

Route	2013	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2013				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	10000	49	8188	1763	61	275	66	7	136	1129	39	51	4580	807
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.311	370	2	312	56	3	15	4	0	3	28	1	1	115	17
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.280	460	2	405	53	5	20	5	1	2	19	1	1	129	15
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.311	660	4	602	54	4	19	5	0	3	22	1	1	205	17
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.267	620	3	571	46	3	15	4	0	2	19	1	1	166	12
20	WEST LIMITS OF INDEPENDENCE	Rural	5.991	9500	46	7683	1772	62	276	67	7	136	1135	39	51	56915	10616
20	EAST LIMITS OF INDEPENDENCE	Municipal	0.498	9500	46	7683	1772	62	276	67	7	136	1135	39	51	4731	882
20	IOWA AVENUE INTERCHANGE	Rural	0.502	9500	46	7683	1772	62	276	67	7	136	1135	39	51	4769	890
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.280	710	4	660	47	4	16	4	0	2	19	1	1	199	13
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.249	800	4	720	76	6	25	6	1	4	33	1	1	199	19
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.292	670	4	636	30	2	9	2	0	2	13	0	0	196	9
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.230	620	3	585	32	2	9	2	0	2	16	1	1	143	7
20	IA 150 INTERCHANGE	Rural	1.499	9700	46	7821	1833	67	299	72	7	139	1157	40	52	14540	2748
20	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.261	1660	9	1517	134	8	38	9	1	8	65	2	2	433	35
20	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.242	1580	8	1430	142	6	26	6	1	10	87	3	4	382	34
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.261	1640	8	1402	230	8	38	9	1	17	145	5	6	428	60
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.249	1670	9	1443	219	9	39	9	1	16	134	5	6	416	55
20	RACINE AVENUE INTERCHANGE	Rural	7.094	9700	47	7972	1680	64	285	69	7	126	1046	36	47	68812	11918
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.317	190	1	100	89	3	13	3	0	7	58	2	2	60	28
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.261	220	1	120	100	2	9	2	0	9	72	2	3	57	26
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.317	1170	6	1063	100	8	34	8	1	5	41	1	1	371	32
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.261	1120	6	1031	83	8	34	8	1	3	27	1	1	292	22
20	IA 187 INTERCHANGE	Rural	5.441	7800	36	6098	1666	53	239	58	6	131	1092	38	49	42440	9065
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.311	280	1	201	78	3	12	3	0	6	50	2	2	87	24
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.280	220	1	159	60	3	12	3	0	4	35	1	1	62	17
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.311	540	3	495	42	2	9	2	0	3	23	1	1	168	13
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.249	550	3	494	53	3	14	3	0	3	27	1	1	137	13
20	WEST LINE OF DELAWARE COUNTY	Rural	2.534	7200	32	5459	1709	54	240	58	6	135	1127	39	51	18245	4331
	ROUTE SUMMARY - RURAL		28.556	7485												213731	40774
	ROUTE SUMMARY - MUNICIPAL		1.001	5541												5546	951