Iowa DOT

Volume of Traffic on the Primary Road System

Route	2006	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2006				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	0.496	8800	76	7330	1393	44	209	84	10	301	674	49	22	4365	691
20	IA 136 INTERCHANGE	Municipal	0.372	8600	74	7167	1359	43	204	81	10	293	658	48	22	3199	506
20	EAST LIMITS OF DYERSVILLE	Municipal	0.363	9100	77	7507	1515	56	266	106	13	308	691	50	22	3303	550
20	INTERSECTION WUCHTER ROAD	Rural	1.541	9300	79	7668	1552	58	273	109	13	316	708	52	23	14331	2392
20	WEST LIMITS OF FARLEY	Rural	3.000	10400	90	8757	1552	58	273	109	13	316	708	52	23	31200	4656
20	INTERSECTION OLDE CASTLE ROAD	Municipal	0.236	10100	88	8497	1515	56	266	106	13	308	691	50	22	2384	358
20	1ST STREET INTERCHANGE	Municipal	1.026	9500	81	7903	1515	56	266	106	13	308	691	50	22	9747	1554
20	EAST LIMITS OF FARLEY	Municipal	0.540	10900	96	9267	1537	61	286	114	14	305	684	50	22	5886	830
20	CENTER AVENUE INTCHG (EPWORTH)	Rural	3.271	11200	98	9526	1575	62	294	117	14	313	701	51	23	36635	5152
20	CO RD Y21 INTERCHANGE (PEOSTA)	Rural	4.175	12500	109	10554	1837	95	448	179	21	314	704	51	23	52188	7669
20	JUNCTION THUNDER HILLS ROAD	Rural	1.497	14600	130	12608	1861	84	396	158	19	346	776	57	27	21856	2786
20	JUNCTION CO RD D29	Rural	2.370	16600	150	14587	1861	84	396	158	19	346	776	57	27	39342	4411
20	WEST LIMITS OF DUBUQUE	Rural	1.200	18300	168	16269	1861	84	396	158	19	346	776	57	27	21960	2233
20	JUNCTION LOCAL STREET	Municipal	2.185	19200	177	17205	1816	82	386	154	18	338	757	55	24	41952	3968
20	JUNCTION IA 32	Municipal	0.367	23800	165	21277	2354	117	660	366	36	231	835	73	37	8735	864
20	JUNCTION CRESCENT RIDGE	Municipal	0.444	25100	176	22628	2292	96	540	300	30	261	943	82	41	11144	1018
20	JUNCTION MERCER DR & WACKER DR	Municipal	0.538	25700	180	23223	2292	96	540	300	30	261	943	82	41	13827	1233
20	INTERSECTION CEDAR CROSS ROAD	Municipal	0.297	26300	185	23818	2292	96	540	300	30	261	943	82	41	7811	681
20	JUNCTION DEVON DRIVE	Municipal	0.684	32300	231	29707	2356	102	576	319	32	261	943	82	41	22093	1612
20	FREMONT AVENUE INTERCHANGE	Municipal	0.658	28100	198	25541	2356	102	576	319	32	261	943	82	41	18490	1550
20	GRANDVIEW AVENUE INTERCHANGE	Municipal	0.126	24800	174	22358	2264	85	479	266	26	277	1001	87	44	3125	285
20	HILL ST & BRYANT ST INTERCHANGE	Municipal	0.445	30700	218	28060	2416	98	552	306	30	281	1016	88	44	13662	1075
20	JUNCTION BLUFF STREET	Municipal	0.605	28400	201	25914	2280	94	534	296	29	260	942	82	41	17182	1379
20	INTERSECTION IA 946	Municipal	0.088	29300	208	26807	2280	94	534	296	29	260	942	82	41	2578	201
20	EAST LIMITS OF DUBUQUE AT
20	ILLINOIS STATE LINE	Municipal	0.500	19800	141	18118	1538	67	379	210	21	169	611	53	26	9900	769
	ROUTE SUMMARY - RURAL		17.550	12643												221877	29990
	ROUTE SUMMARY - MUNICIPAL		9.474	20584												195018	18433