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	31 Dubuque COUNTY
20	WEST LIMITS OF DYERSVILLE	Rural	0.465	8700	42	7098	1560	60	269	65	7	116	966	33	42	4046	725
20	IA 136 INTERCHANGE	Municipal	0.403	12600	65	10975	1560	60	269	65	7	116	966	33	42	5078	629
20	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.345	2570	14	2362	194	12	54	13	1	11	95	3	4	887	67
20	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.329	2460	13	2163	284	22	97	23	2	14	117	4	5	809	93
20	NORTH-WEST SOUTH-WEST LOOP	Municipal	0.218	2430	13	2221	196	10	46	11	1	13	106	4	5	530	43
20	NORTH-EAST SOUTH-EAST LOOP	Municipal	0.211	2000	11	1837	152	8	34	8	1	10	85	3	4	422	32
20	EAST LIMITS OF DYERSVILLE	Municipal	0.854	12300	62	10499	1739	75	336	81	8	124	1032	36	47	10504	1485
20	INTERSECTION WUCHTER ROAD	Rural	1.050	12300	62	10499	1739	75	336	81	8	124	1032	36	47	12915	1826
20	WEST LIMITS OF FARLEY	Rural	3.000	11400	57	9604	1739	75	336	81	8	124	1032	36	47	34200	5217
20	INTERSECTION OLDE CASTLE ROAD	Municipal	0.236	11400	57	9604	1739	75	336	81	8	124	1032	36	47	2690	410
20	1ST STREET INTERCHANGE	Municipal	1.026	10100	49	8312	1739	75	336	81	8	124	1032	36	47	10363	1784
20	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.230	1270	7	1200	63	6	29	7	1	2	17	1	1	292	14
20	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.218	1190	7	1137	47	4	16	4	0	2	19	1	1	259	10
20	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.280	660	3	586	70	6	26	6	1	3	27	1	1	185	20
20	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.193	710	4	634	72	6	26	6	1	3	28	1	1	137	14
20	EAST LIMITS OF FARLEY	Municipal	0.540	11300	56	9486	1758	74	331	80	8	127	1055	37	48	6102	949
20	CENTER AVENUE INTCHG (EPWORTH)	Rural	3.271	12200	62	10381	1758	74	331	80	8	127	1055	37	48	39906	5750
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.267	1400	8	1350	42	5	22	5	1	1	8	0	0	374	11
20	NORTH-EAST-SOUTH-EAST RAMP	Rural	0.263	1190	7	1134	49	6	26	6	1	1	9	0	0	313	13
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.261	610	3	567	39	4	16	4	0	2	13	0	0	159	10
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.237	610	3	556	51	6	25	6	1	1	12	0	0	145	12
20	CO RD Y21 INTERCHANGE (PEOSTA)	Rural	4.175	13000	68	11395	1537	69	310	75	8	108	896	31	40	54275	6417
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.267	3290	18	3095	176	13	60	14	1	9	73	3	4	878	47
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.261	3580	20	3381	179	14	62	15	2	9	73	3	4	934	47
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.267	1270	6	1080	183	11	50	12	1	11	90	3	4	339	49
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.267	1670	9	1439	222	15	65	16	2	13	104	4	5	446	59
20	JUNCTION THUNDER HILLS ROAD	Rural	1.497	17300	91	15261	1949	115	514	124	13	119	987	34	43	25898	2918
20	JUNCTION CO RD D29	Rural	2.370	19800	105	17746	1949	115	514	124	13	119	987	34	43	46926	4619
20	WEST LIMITS OF DUBUQUE	Rural	1.200	19700	105	17646	1949	115	514	124	13	119	987	34	43	23640	2339
20	JUNCTION OLD HIGHWAY RD	Municipal	2.128	21700	117	19634	1949	115	514	124	13	119	987	34	43	46178	4147
20	JUNCTION IA 32	Municipal	0.424	25900	108	23852	1940	58	564	112	22	148	842	82	113	10982	823
20	JUNCTION CRESCENT RIDGE	Municipal	0.364	30100	126	27792	2182	66	639	127	25	165	942	92	127	10956	794
20	JUNCTION MERCER DR & WACKER DR	Municipal	0.618	30900	129	28589	2182	66	639	127	25	165	942	92	127	19096	1348
20	INTERSECTION CEDAR CROSS ROAD	Municipal	0.297	28800	120	26498	2182	66	639	127	25	165	942	92	127	8554	648
20	JUNCTION DEVON DRIVE	Municipal	0.684	37200	158	34861	2182	66	639	127	25	165	942	92	127	25445	1492
20	FREMONT AVENUE INTERCHANGE	Municipal	0.658	37700	160	35358	2182	66	639	127	25	165	942	92	127	24807	1436
20	GRANDVIEW AVENUE INTERCHANGE	Municipal	0.305	36400	153	33939	2308	68	657	130	25	178	1015	99	136	11102	704
20	N-E S-E W-E RAMP	Municipal	0.145	2910	13	2812	86	6	63	12	2	0	1	0	0	422	12
20	N-E S-E W-E RAMP CONN	Municipal	0.146	5600	25	5453	122	9	90	18	3	0	1	0	0	818	18
20	W-N W-S W-E RAMP	Municipal	0.192	3370	15	3226	129	10	95	19	4	0	1	0	0	647	25
20	N-W S-W E-W RAMP	Municipal	0.143	3370	15	3274	81	6	56	11	2	1	4	0	0	482	12
20	N-W S-W E-W RAMP CONN	Municipal	0.104	5100	22	4945	133	10	95	19	4	1	4	0	0	530	14
20	E-N E-S E-W RAMP	Municipal	0.199	2790	12	2700	78	6	54	11	2	1	4	0	0	555	16
20	HILL ST & BRYANT ST INTERCHANGE	Municipal	0.266	36400	153	33933	2314	68	661	131	26	178	1015	99	136	9682	616
20	W-N W-S N-E S-E LOOP	Municipal	0.081	4170	18	4057	95	7	66	13	3	1	4	0	0	338	8
20	N-W S-W E-N E-S LOOP S PT	Municipal	0.042	4320	19	4242	59	4	40	8	2	1	4	0	0	181	2
20	N-W S-W E-N E-S LOOP N PT	Municipal	0.056	4470	20	4384	67	5	44	9	2	1	6	1	1	250	4
20	JUNCTION BLUFF STREET	Municipal	0.605	38700	164	36322	2214	66	639	127	25	169	965	94	129	23414	1339
20	INTERSECTION IA 946	Municipal	0.088	28300	117	25969	2214	66	639	127	25	169	965	94	129	2490	195
20	EAST LIMITS OF DUBUQUE AT
20	ILLINOIS STATE LINE	Municipal	0.500	17700	74	16417	1209	33	325	64	13	96	550	54	74	8850	605
	ROUTE SUMMARY - RURAL		19.118	12836												245394	30059
	ROUTE SUMMARY - MUNICIPAL		13.128	18589												244037	19808