Iowa DOT

Volume of Traffic on the Primary Road System

Route	2010	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2010				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	9100	48	7560	1492	67	297	83	9	134	851	22	28	4232	694
20	IA 136 INTERCHANGE	Municipal	0.403	9000	47	7468	1484	67	295	82	9	134	847	22	28	3627	598
20	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.335	2130	12	1945	173	17	74	21	2	8	48	1	1	714	58
20	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.329	1880	11	1698	171	8	36	10	1	15	95	2	2	619	56
20	NORTH-WEST SOUTH-WEST LOOP	Municipal	0.218	2090	12	1968	110	11	47	13	1	5	31	1	1	456	24
20	NORTH-EAST SOUTH-EAST LOOP	Municipal	0.211	2060	12	1861	187	12	51	14	2	14	90	2	2	435	39
20	EAST LIMITS OF DYERSVILLE	Municipal	0.363	9300	48	7634	1618	73	321	89	10	146	924	24	30	3376	587
20	INTERSECTION WUCHTER ROAD	Rural	1.541	9400	49	7725	1626	73	323	90	10	147	929	24	30	14485	2506
20	WEST LIMITS OF FARLEY	Rural	3.000	11600	63	9911	1626	73	323	90	10	147	929	24	30	34800	4878
20	INTERSECTION OLDE CASTLE ROAD	Municipal	0.236	11500	62	9820	1618	73	321	89	10	146	924	24	30	2714	382
20	1ST STREET INTERCHANGE	Municipal	1.026	10900	58	9223	1618	73	321	89	10	146	924	24	30	11183	1660
20	EAST-SOUTH WEST-SOUTH RAMP *	Municipal	0.341	1060	6	988	66	8	34	10	1	2	11	0	0	361	23
20	NORTH-EAST SOUTH-EAST RAMP *	Municipal	0.218	1050	6	996	48	5	23	7	1	2	10	0	0	229	10
20	WEST-NORTH WEST-SOUTH RAMP *	Municipal	0.280	550	3	497	50	6	25	7	1	2	10	0	0	154	14
20	NORTH-WEST SOUTH-WEST RAMP *	Municipal	0.193	520	3	470	47	5	23	7	1	1	9	0	0	100	9
20	EAST LIMITS OF FARLEY	Municipal	0.540	12000	65	10299	1636	82	360	100	11	140	889	23	29	6480	883
20	CENTER AVENUE INTCHG (EPWORTH)	Rural	3.271	12100	66	10391	1643	82	362	101	11	141	893	23	29	39579	5374
20	EAST-SOUTH WEST-SOUTH RAMP *	Rural	0.267	1040	5	934	101	16	48	11	1	2	23	0	0	278	27
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.425	1140	6	909	226	30	133	37	4	3	18	0	0	485	96
20	WEST-NORTH WEST-SOUTH RAMP *	Rural	0.392	430	3	397	30	2	7	2	0	2	16	0	0	169	12
20	NORTH-WEST SOUTH-WEST RAMP *	Rural	0.374	450	3	404	44	4	16	5	1	2	16	0	0	168	16
20	CO RD Y21 INTERCHANGE (PEOSTA)	Rural	4.175	12900	71	11186	1643	82	362	101	11	141	893	23	29	53858	6860
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.267	2440	14	2270	156	10	42	12	1	12	75	2	2	651	42
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.261	2500	15	2328	157	12	53	15	2	10	62	2	2	653	41
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.267	1170	6	1019	145	10	45	12	1	10	62	2	2	312	39
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.267	1380	8	1247	125	8	33	9	1	10	61	2	2	368	33
20	JUNCTION THUNDER HILLS ROAD	Rural	1.497	15300	87	13670	1544	84	369	103	12	127	803	21	27	22904	2311
20	JUNCTION CO RD D29	Rural	2.370	17200	99	15558	1544	84	369	103	12	127	803	21	27	40764	3659
20	WEST LIMITS OF DUBUQUE	Rural	1.200	18900	109	17246	1544	84	369	103	12	127	803	21	27	22680	1853
20	JUNCTION OLD HIGHWAY RD	Municipal	2.185	20100	117	18445	1538	84	368	102	12	126	800	21	27	43919	3361
20	JUNCTION IA 32	Municipal	0.367	23900	47	22100	1754	64	608	98	11	147	673	60	94	8771	644
20	JUNCTION CRESCENT RIDGE	Municipal	0.444	26700	52	24625	2023	73	695	112	13	171	781	69	108	11855	898
20	JUNCTION MERCER DR & WACKER DR	Municipal	0.538	29000	57	26921	2023	73	695	112	13	171	781	69	108	15602	1088
20	INTERSECTION CEDAR CROSS ROAD	Municipal	0.297	28900	56	26820	2023	73	695	112	13	171	781	69	108	8583	601
20	JUNCTION DEVON DRIVE	Municipal	0.684	36200	72	34075	2054	75	719	116	13	171	781	69	108	24761	1405
20	FREMONT AVENUE INTERCHANGE	Municipal	0.658	30600	60	28486	2054	75	719	116	13	171	781	69	108	20135	1352
20	GRANDVIEW AVENUE INTERCHANGE	Municipal	0.126	35700	71	33896	1732	56	538	87	10	158	720	64	100	4498	218
20	N-E S-E W-E RAMP	Municipal	0.145	3240	7	3167	66	5	49	8	1	0	2	0	0	470	10
20	N-E S-E W-E RAMP CONN	Municipal	0.146	5700	12	5584	104	8	78	13	1	1	3	0	0	832	15
20	W-N W-S W-E RAMP	Municipal	0.192	3210	7	3145	58	4	42	7	1	1	3	0	0	616	11
20	N-W S-W E-W RAMP	Municipal	0.143	3230	7	3150	73	5	49	8	1	2	7	1	1	462	10
20	N-W S-W E-W RAMP CONN	Municipal	0.104	5300	11	5180	109	8	77	12	1	2	7	1	1	551	11
20	E-N E-S E-W RAMP	Municipal	0.199	2810	6	2738	66	4	43	7	1	2	8	1	1	559	13
20	HILL ST & BRYANT ST INTERCHANGE	Municipal	0.445	35400	71	33632	1697	54	511	82	10	158	720	64	100	15753	755
20	W-N W-S N-E S-E LOOP	Municipal	0.081	3940	8	3799	133	11	103	17	2	0	1	0	0	319	11
20	N-W S-W E-N E-S LOOP S PT	Municipal	0.042	3710	8	3654	49	4	34	6	1	1	3	0	0	156	2
20	N-W S-W E-N E-S LOOP N PT	Municipal	0.056	3920	8	3854	58	4	41	7	1	1	3	0	0	220	3
20	JUNCTION BLUFF STREET	Municipal	0.605	37000	73	34512	2416	103	987	159	19	174	793	70	110	22385	1462
20	INTERSECTION IA 946	Municipal	0.088	33400	65	30919	2416	103	987	159	19	174	793	70	110	2939	213
20	EAST LIMITS OF DUBUQUE AT
20	ILLINOIS STATE LINE	Municipal	0.500	19100	37	17563	1500	62	592	95	11	112	511	45	70	9550	750
	ROUTE SUMMARY - RURAL		20.039	11796												236386	28441
	ROUTE SUMMARY - MUNICIPAL		12.738	17537												223384	17176