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	31 Dubuque COUNTY
20	WEST LIMITS OF DYERSVILLE	Rural	0.465	9500	38	7762	1700	60	305	64	7	116	1039	45	64	4418	791
20	IA 136 INTERCHANGE	Municipal	0.403	12900	55	11246	1599	56	287	61	7	109	978	42	60	5199	644
20	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.345	2640	12	2429	199	11	57	12	1	11	96	4	5	0	0
20	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.329	2530	11	2228	292	20	103	22	3	13	119	5	7	0	0
20	NORTH-WEST SOUTH-WEST LOOP	Municipal	0.218	2490	11	2278	201	10	50	10	1	12	107	5	7	0	0
20	NORTH-EAST SOUTH-EAST LOOP	Municipal	0.211	2060	9	1894	156	7	36	8	1	10	86	4	5	0	0
20	EAST LIMITS OF DYERSVILLE	Municipal	0.854	12600	53	10765	1782	70	358	76	9	116	1044	45	64	10760	1522
20	INTERSECTION WUCHTER ROAD	Rural	1.050	13400	56	11448	1895	75	381	80	9	123	1110	48	68	14070	1990
20	WEST LIMITS OF FARLEY	Rural	3.000	12400	51	10454	1895	75	381	80	9	123	1110	48	68	37200	5685
20	INTERSECTION OLDE CASTLE ROAD	Municipal	0.236	11700	49	9869	1782	70	358	76	9	116	1044	45	64	2761	421
20	1ST STREET INTERCHANGE	Municipal	1.026	10400	42	8576	1782	70	358	76	9	116	1044	45	64	10670	1828
20	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.230	1300	6	1230	64	6	31	6	1	2	16	1	1	0	0
20	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.218	1220	6	1167	47	3	17	4	0	2	19	1	1	0	0
20	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.280	680	3	605	72	5	27	6	1	3	27	1	1	0	0
20	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.193	730	3	653	74	5	27	6	1	3	29	1	1	0	0
20	EAST LIMITS OF FARLEY	Municipal	0.540	11600	48	9749	1803	69	354	75	9	119	1067	46	66	6264	974
20	CENTER AVENUE INTCHG (EPWORTH)	Rural	3.271	13300	56	11328	1916	74	376	79	9	126	1134	49	70	43504	6267
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.267	1520	7	1468	45	5	25	5	1	1	7	0	0	0	0
20	NORTH-EAST-SOUTH-EAST RAMP	Rural	0.263	1300	6	1242	52	6	29	6	1	1	9	0	0	0	0
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.261	660	3	615	42	4	18	4	0	1	13	1	1	0	0
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.237	660	3	602	55	5	28	6	1	1	12	1	1	0	0
20	CO RD Y21 INTERCHANGE (PEOSTA)	Rural	4.175	14200	61	12463	1675	69	351	74	9	107	965	41	59	59285	6993
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.267	3580	17	3371	192	13	68	14	2	9	78	3	4	0	0
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.261	3900	18	3686	195	14	70	15	2	9	78	3	4	0	0
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.267	1390	6	1185	199	11	57	12	1	11	96	4	5	0	0
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.267	1810	8	1559	243	15	74	16	2	13	113	5	7	0	0
20	JUNCTION THUNDER HILLS ROAD	Rural	1.497	18800	82	16594	2124	114	582	123	14	118	1062	46	65	28144	3180
20	JUNCTION CO RD D29	Rural	2.370	21500	95	19281	2124	114	582	123	14	118	1062	46	65	50955	5034
20	WEST LIMITS OF DUBUQUE	Rural	1.171	21400	94	19182	2124	114	582	123	14	118	1062	46	65	25059	2487
20	JUNCTION OLD HIGHWAY RD	Municipal	2.157	22300	99	20204	1997	107	548	116	13	111	998	43	62	48101	4308
20	JUNCTION IA 32	Municipal	0.424	26600	86	24525	1988	62	615	88	9	114	894	85	120	11278	843
20	JUNCTION CRESCENT RIDGE	Municipal	0.364	30800	100	28462	2238	71	698	100	10	128	1001	96	135	11211	815
20	JUNCTION MERCER DR & WACKER DR	Municipal	0.618	31700	103	29359	2238	71	698	100	10	128	1001	96	135	19591	1383
20	INTERSECTION CEDAR CROSS ROAD	Municipal	0.297	29500	95	27167	2238	71	698	100	10	128	1001	96	135	8762	665
20	JUNCTION DEVON DRIVE	Municipal	0.684	38200	126	35836	2238	71	698	100	10	128	1001	96	135	26129	1531
20	FREMONT AVENUE INTERCHANGE	Municipal	0.658	38700	128	36335	2238	71	698	100	10	128	1001	96	135	25465	1473
20	GRANDVIEW AVENUE INTERCHANGE	Municipal	0.305	37400	123	34911	2366	73	716	103	11	138	1079	103	144	11407	722
20	N-E S-E W-E RAMP	Municipal	0.145	2980	10	2881	89	7	69	10	1	0	1	0	0	0	0
20	N-E S-E W-E RAMP CONN	Municipal	0.146	5700	20	5556	125	10	98	14	1	0	1	0	0	0	0
20	W-N W-S W-E RAMP	Municipal	0.192	3460	12	3316	132	10	103	15	2	0	1	0	0	0	0
20	N-W S-W E-W RAMP	Municipal	0.143	3460	12	3365	83	6	61	9	1	1	4	0	0	0	0
20	N-W S-W E-W RAMP CONN	Municipal	0.104	5200	18	5047	136	10	103	15	2	1	4	0	0	0	0
20	E-N E-S E-W RAMP	Municipal	0.199	2860	10	2770	80	6	60	9	1	0	4	0	0	0	0
20	HILL ST & BRYANT ST INTERCHANGE	Municipal	0.266	37400	123	34905	2372	73	721	104	11	138	1079	103	144	9948	631
20	W-N W-S N-E S-E LOOP	Municipal	0.081	4280	15	4167	98	7	73	10	1	1	4	0	0	0	0
20	N-W S-W E-N E-S LOOP S PT	Municipal	0.042	4440	15	4365	60	4	44	6	1	0	4	0	0	0	0
20	N-W S-W E-N E-S LOOP N PT	Municipal	0.056	4590	16	4506	68	5	48	7	1	1	6	1	1	0	0
20	JUNCTION BLUFF STREET	Municipal	0.605	39700	131	37298	2271	71	697	100	10	131	1027	98	137	24019	1374
20	INTERSECTION IA 946	Municipal	0.088	29000	94	26635	2271	71	697	100	10	131	1027	98	137	2552	200
20	EAST LIMITS OF DUBUQUE AT
20	ILLINOIS STATE LINE	Municipal	0.486	18100	59	16802	1239	36	354	51	5	75	584	56	78	8797	602
	ROUTE SUMMARY - RURAL		19.089	13963												262635	32427
	ROUTE SUMMARY - MUNICIPAL		13.143	19086												242914	19936