Iowa DOT

Volume of Traffic on the Primary Road System

Route	2014	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2014				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	8900	48	7261	1591	61	279	63	7	106	992	36	48	4139	740
20	IA 136 INTERCHANGE	Municipal	0.403	12600	73	10969	1559	60	274	61	6	104	972	36	47	5078	628
20	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.345	2570	16	2360	194	12	55	12	1	10	96	3	4	0	0
20	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.329	2460	14	2161	284	21	98	22	2	13	118	4	5	0	0
20	NORTH-WEST SOUTH-WEST LOOP	Municipal	0.218	2430	15	2219	196	10	47	11	1	11	107	4	5	0	0
20	NORTH-EAST SOUTH-EAST LOOP	Municipal	0.211	2000	12	1836	152	7	34	8	1	9	86	3	4	0	0
20	EAST LIMITS OF DYERSVILLE	Municipal	0.854	12300	70	10493	1737	74	341	77	8	111	1038	38	50	10504	1483
20	INTERSECTION WUCHTER ROAD	Rural	1.050	12500	71	10655	1774	76	349	78	8	113	1060	39	51	13125	1863
20	WEST LIMITS OF FARLEY	Rural	3.000	11600	65	9761	1774	76	349	78	8	113	1060	39	51	34800	5322
20	INTERSECTION OLDE CASTLE ROAD	Municipal	0.236	11400	64	9599	1737	74	341	77	8	111	1038	38	50	2690	410
20	1ST STREET INTERCHANGE	Municipal	1.026	10100	55	8308	1737	74	341	77	8	111	1038	38	50	10363	1782
20	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.230	1270	8	1199	63	6	29	7	1	2	17	1	1	0	0
20	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.218	1190	8	1135	47	4	16	4	0	2	19	1	1	0	0
20	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.280	660	4	586	70	6	26	6	1	3	27	1	1	0	0
20	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.193	710	4	634	72	6	26	6	1	3	29	1	1	0	0
20	EAST LIMITS OF FARLEY	Municipal	0.540	11300	63	9480	1757	73	337	75	8	114	1061	39	51	6102	949
20	CENTER AVENUE INTCHG (EPWORTH)	Rural	3.271	12400	70	10537	1793	75	343	77	8	116	1083	40	52	40560	5865
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.267	1430	9	1378	43	5	23	5	1	1	8	0	0	0	0
20	NORTH-EAST-SOUTH-EAST RAMP	Rural	0.263	1210	8	1152	50	6	27	6	1	1	9	0	0	0	0
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.261	620	4	577	39	4	16	4	0	1	13	0	0	0	0
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.237	620	4	564	52	6	26	6	1	1	12	0	0	0	0
20	CO RD Y21 INTERCHANGE (PEOSTA)	Rural	4.175	13300	77	11655	1568	70	322	72	8	99	921	34	44	55528	6546
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.267	3360	21	3159	180	14	62	14	1	8	75	3	4	0	0
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.261	3650	23	3444	183	14	64	14	2	8	75	3	4	0	0
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.267	1300	7	1106	187	11	53	12	1	10	92	3	4	0	0
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.267	1700	10	1464	227	15	68	15	2	11	107	4	5	0	0
20	JUNCTION THUNDER HILLS ROAD	Rural	1.497	17600	103	15509	1988	116	532	119	12	108	1014	37	49	26347	2976
20	JUNCTION CO RD D29	Rural	2.370	20200	120	18092	1988	116	532	119	12	108	1014	37	49	47874	4712
20	WEST LIMITS OF DUBUQUE	Rural	1.171	20100	120	17992	1988	116	532	119	12	108	1014	37	49	23537	2328
20	JUNCTION OLD HIGHWAY RD	Municipal	2.157	21700	130	19623	1947	113	522	117	12	106	993	36	48	46807	4200
20	JUNCTION IA 32	Municipal	0.424	25900	86	23873	1938	58	600	85	12	150	881	65	87	10982	822
20	JUNCTION CRESCENT RIDGE	Municipal	0.364	30100	101	27816	2180	66	680	96	14	168	986	73	97	10956	794
20	JUNCTION MERCER DR & WACKER DR	Municipal	0.618	30900	103	28614	2180	66	680	96	14	168	986	73	97	19096	1347
20	INTERSECTION CEDAR CROSS ROAD	Municipal	0.297	28800	96	26522	2180	66	680	96	14	168	986	73	97	8554	647
20	JUNCTION DEVON DRIVE	Municipal	0.684	37200	126	34890	2180	66	680	96	14	168	986	73	97	25445	1491
20	FREMONT AVENUE INTERCHANGE	Municipal	0.658	37700	128	35388	2180	66	680	96	14	168	986	73	97	24807	1434
20	GRANDVIEW AVENUE INTERCHANGE	Municipal	0.305	36400	123	33968	2306	68	698	99	14	181	1063	78	104	11102	703
20	N-E S-E W-E RAMP	Municipal	0.145	2910	10	2813	86	6	67	9	1	0	1	0	0	0	0
20	N-E S-E W-E RAMP CONN	Municipal	0.146	5600	20	5458	122	9	95	14	2	0	1	0	0	0	0
20	W-N W-S W-E RAMP	Municipal	0.192	3370	12	3229	129	10	101	14	2	0	1	0	0	0	0
20	N-W S-W E-W RAMP	Municipal	0.143	3370	12	3276	81	6	60	8	1	1	4	0	0	0	0
20	N-W S-W E-W RAMP CONN	Municipal	0.104	5100	18	4949	133	10	101	14	2	1	4	0	0	0	0
20	E-N E-S E-W RAMP	Municipal	0.199	2790	10	2702	78	6	58	8	1	1	4	0	0	0	0
20	HILL ST & BRYANT ST INTERCHANGE	Municipal	0.266	36400	123	33961	2312	68	703	100	14	181	1063	78	104	9682	615
20	W-N W-S N-E S-E LOOP	Municipal	0.081	4170	15	4060	95	7	71	10	1	1	4	0	0	0	0
20	N-W S-W E-N E-S LOOP S PT	Municipal	0.042	4320	15	4245	59	4	43	6	1	1	4	0	0	0	0
20	N-W S-W E-N E-S LOOP N PT	Municipal	0.056	4470	16	4386	67	5	47	7	1	1	6	0	0	0	0
20	JUNCTION BLUFF STREET	Municipal	0.605	38700	131	36353	2212	66	679	96	14	172	1010	75	100	23414	1338
20	INTERSECTION IA 946	Municipal	0.088	28300	94	25992	2212	66	679	96	14	172	1010	75	100	2490	195
20	EAST LIMITS OF DUBUQUE AT
20	ILLINOIS STATE LINE	Municipal	0.486	17700	59	16431	1208	33	346	49	7	98	576	43	57	8602	587
	ROUTE SUMMARY - RURAL		19.089	13074												245910	30352
	ROUTE SUMMARY - MUNICIPAL		13.143	18597												236674	19425