Iowa DOT

Volume of Traffic on the Primary Road System

Route	2003	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2003				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	0.509	9300	72	7893	1334	27	218	104	21	238	652	46	28	4734	679
20	IA 136 INTERCHANGE	Municipal	0.361	9100	70	7723	1306	26	214	102	20	233	639	45	26	3285	471
20	EAST LIMITS OF DYERSVILLE	Municipal	0.362	10200	79	8716	1404	29	233	111	22	250	682	48	29	3692	508
20	INTERSECTION WUCHTER ROAD	Rural	1.541	10400	81	8884	1434	29	238	114	23	255	697	49	29	16026	2210
20	WEST LIMITS OF FARLEY	Rural	2.997	10700	82	9034	1583	33	268	128	26	279	763	54	33	32068	4744
20	INTERSECTION OLDE CASTLE ROAD	Municipal	0.245	10700	82	9034	1583	33	268	128	26	279	763	54	33	2622	388
20	1ST STREET INTERCHANGE	Municipal	1.012	9300	70	7713	1516	31	250	119	24	270	739	52	31	9412	1534
20	EAST LIMITS OF FARLEY *	Municipal	0.540	10000	77	8427	1495	30	245	117	23	267	730	52	30	5400	807
20	CENTER AVENUE INTCHG (EPWORTH)	Rural	3.260	10200	78	8594	1527	31	251	120	24	273	745	53	32	33252	4978
20	CO RD Y21 INTERCHANGE (PEOSTA)	Rural	4.176	14000	110	12112	1777	44	362	173	35	288	787	56	33	58464	7421
20	JUNCTION THUNDER HILLS ROAD	Rural	1.497	16100	129	14192	1777	43	348	166	33	294	803	57	33	24102	2660
20	JUNCTION CO RD D29	Rural	2.384	16100	129	14192	1777	43	348	166	33	294	803	57	33	38382	4236
20	WEST LIMITS OF DUBUQUE	Rural	1.650	18700	152	16681	1866	49	401	191	38	294	803	57	33	30855	3079
20	JUNCTION LOCAL STREET	Municipal	1.742	20100	164	18023	1912	58	470	224	45	276	754	53	32	35014	3331
20	JUNCTION IA 32	Municipal	0.370	22600	147	20492	1960	71	437	261	28	169	888	75	32	8362	725
20	JUNCTION CRESCENT RIDGE	Municipal	0.418	26500	173	24245	2079	68	424	253	28	189	998	84	35	11077	869
20	JUNCTION MERCER DR & WACKER DR	Municipal	0.615	28200	185	25933	2079	68	424	253	28	189	998	84	35	17343	1279
20	INTERSECTION CEDAR CROSS ROAD	Municipal	0.258	25200	164	22954	2079	68	424	253	28	189	998	84	35	6502	536
20	JUNCTION DEVON DRIVE	Municipal	0.664	32100	213	29793	2091	69	430	257	28	189	998	84	35	21314	1388
20	FREMONT AVENUE INTERCHANGE	Municipal	0.669	32100	213	29793	2091	69	430	257	28	189	998	84	35	21475	1399
20	GRANDVIEW AVENUE INTERCHANGE	Municipal	0.127	25900	171	23871	1856	52	321	192	21	184	970	81	35	3289	236
20	HILL ST & BRYANT ST INTERCHANGE	Municipal	0.450	32100	213	29830	2054	66	409	245	27	189	998	84	35	14445	924
20	JUNCTION BLUFF STREET	Municipal	0.595	31100	204	28534	2360	98	608	364	40	181	955	80	34	18505	1404
20	INTERSECTION IA 946	Municipal	0.094	31700	208	29128	2360	98	608	364	40	181	955	80	34	2980	222
20	EAST LIMITS OF DUBUQUE AT
20	ILLINOIS STATE LINE	Municipal	0.483	26500	179	25061	1257	51	314	188	20	99	523	44	19	12800	607
	ROUTE SUMMARY - RURAL		18.014	13205												237883	30007
	ROUTE SUMMARY - MUNICIPAL		9.005	21934												197517	16628