Iowa DOT

Volume of Traffic on the Primary Road System

Route	2009	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2009				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	93	7339	1467	65	269	99	15	235	709	53	22	4139	682
20	IA 136 INTERCHANGE	Municipal	0.403	8900	93	7339	1467	65	269	99	15	235	709	53	22	3587	591
20	EAST LIMITS OF DYERSVILLE	Municipal	0.363	9200	95	7505	1599	70	293	108	17	256	772	58	24	3340	580
20	INTERSECTION WUCHTER ROAD	Rural	1.541	9200	95	7505	1599	70	293	108	17	256	772	58	24	14177	2464
20	WEST LIMITS OF FARLEY	Rural	3.000	11400	123	9678	1599	70	293	108	17	256	772	58	24	34200	4797
20	INTERSECTION OLDE CASTLE ROAD	Municipal	0.236	11400	123	9678	1599	70	293	108	17	256	772	58	24	2690	377
20	1ST STREET INTERCHANGE	Municipal	1.026	10800	115	9085	1599	70	293	108	17	256	772	58	24	11081	1641
20	EAST LIMITS OF FARLEY	Municipal	0.540	11900	129	10155	1616	79	329	121	19	247	743	56	24	6426	873
20	CENTER AVENUE INTCHG (EPWORTH)	Rural	3.271	11900	129	10155	1616	79	329	121	19	247	743	56	24	38925	5286
20	CO RD Y21 INTERCHANGE (PEOSTA)	Rural	4.175	12700	139	10945	1616	79	329	121	19	247	743	56	24	53023	6747
20	JUNCTION THUNDER HILLS ROAD	Rural	1.497	15000	169	13311	1519	81	335	123	19	222	668	50	20	22455	2274
20	JUNCTION CO RD D29	Rural	2.370	16900	192	15187	1519	81	335	123	19	222	668	50	20	40053	3600
20	WEST LIMITS OF DUBUQUE	Rural	1.200	18600	214	16865	1519	81	335	123	19	222	668	50	20	22320	1823
20	JUNCTION OLD HIGHWAY RD	Municipal	2.185	19900	230	18150	1519	81	335	123	19	222	668	50	20	43482	3319
20	JUNCTION IA 32	Municipal	0.367	23600	230	21635	1733	84	437	227	24	165	722	53	19	8661	636
20	JUNCTION CRESCENT RIDGE	Municipal	0.444	26400	256	24143	1999	96	499	259	28	192	840	62	23	11722	888
20	JUNCTION MERCER DR & WACKER DR	Municipal	0.538	28700	280	26418	1999	96	499	259	28	192	840	62	23	15441	1075
20	INTERSECTION CEDAR CROSS ROAD	Municipal	0.297	28600	279	26319	1999	96	499	259	28	192	840	62	23	8494	594
20	JUNCTION DEVON DRIVE	Municipal	0.684	35800	355	33412	2030	100	517	268	29	192	840	62	23	24487	1389
20	FREMONT AVENUE INTERCHANGE	Municipal	0.658	30200	296	27871	2030	100	517	268	29	192	840	62	23	19872	1336
20	GRANDVIEW AVENUE INTERCHANGE	Municipal	0.126	35300	353	33232	1712	75	387	200	21	177	773	57	22	4448	216
20	HILL ST & BRYANT ST INTERCHANGE	Municipal	0.445	35000	350	32970	1677	71	367	190	20	177	773	57	22	15575	746
20	JUNCTION BLUFF STREET	Municipal	0.605	36600	359	33850	2387	137	709	368	39	195	852	63	24	22143	1444
20	INTERSECTION IA 946	Municipal	0.088	33000	321	30288	2387	137	709	368	39	195	852	63	24	2904	210
20	EAST LIMITS OF DUBUQUE AT
20	ILLINOIS STATE LINE	Municipal	0.500	18900	183	17234	1482	82	425	220	24	126	549	40	16	9450	741
	ROUTE SUMMARY - RURAL		17.519	13088												229292	27673
	ROUTE SUMMARY - MUNICIPAL		9.505	22494												213803	16656