Iowa DOT

Volume of Traffic on the Primary Road System

Route	2005	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2005				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	0.497	8800	67	7346	1386	36	208	89	11	294	677	47	23	4374	689
20	IA 136 INTERCHANGE	Municipal	0.372	8800	67	7346	1386	36	208	89	11	294	677	47	23	3274	516
20	EAST LIMITS OF DYERSVILLE	Municipal	0.363	9300	71	7683	1545	47	272	116	15	309	711	49	25	3376	561
20	INTERSECTION WUCHTER ROAD	Rural	1.541	9300	71	7683	1545	47	272	116	15	309	711	49	25	14331	2381
20	WEST LIMITS OF FARLEY	Rural	2.999	10300	80	8674	1545	47	272	116	15	309	711	49	25	30890	4633
20	INTERSECTION OLDE CASTLE ROAD	Municipal	0.235	10300	80	8674	1545	47	272	116	15	309	711	49	25	2421	363
20	1ST STREET INTERCHANGE	Municipal	1.026	9700	74	8080	1545	47	272	116	15	309	711	49	25	9952	1585
20	EAST LIMITS OF FARLEY	Municipal	0.540	11100	87	9445	1568	51	293	125	16	306	704	49	24	5994	847
20	CENTER AVENUE INTCHG (EPWORTH)	Rural	3.271	11100	87	9445	1568	51	293	125	16	306	704	49	24	36308	5129
20	CO RD Y21 INTERCHANGE (PEOSTA)	Rural	4.175	12400	96	10474	1828	77	447	191	25	308	707	49	24	51770	7632
20	JUNCTION THUNDER HILLS ROAD	Rural	1.497	14500	115	12532	1852	68	395	169	22	339	779	54	27	21707	2772
20	JUNCTION CO RD D29	Rural	2.370	16500	133	14513	1852	68	395	169	22	339	779	54	27	39105	4389
20	WEST LIMITS OF DUBUQUE	Rural	1.205	18200	149	16198	1852	68	395	169	22	339	779	54	27	21931	2232
20	JUNCTION LOCAL STREET	Municipal	2.179	19600	162	17585	1852	68	395	169	22	339	779	54	27	42708	4036
20	JUNCTION IA 32	Municipal	0.367	24300	182	21716	2400	112	661	397	32	233	860	69	36	8918	881
20	JUNCTION CRESCENT RIDGE	Municipal	0.444	25600	193	23067	2337	92	541	325	26	264	971	78	40	11366	1038
20	JUNCTION MERCER DR & WACKER DR	Municipal	0.538	26200	198	23662	2337	92	541	325	26	264	971	78	40	14096	1257
20	INTERSECTION CEDAR CROSS ROAD	Municipal	0.297	26800	203	24258	2337	92	541	325	26	264	971	78	40	7960	694
20	JUNCTION DEVON DRIVE	Municipal	0.684	32900	253	30242	2402	98	577	346	28	264	971	78	40	22504	1643
20	FREMONT AVENUE INTERCHANGE	Municipal	0.658	28600	217	25978	2402	98	577	346	28	264	971	78	40	18819	1581
20	GRANDVIEW AVENUE INTERCHANGE	Municipal	0.126	25300	191	22799	2308	81	480	288	23	280	1030	83	42	3188	291
20	HILL ST & BRYANT ST INTERCHANGE	Municipal	0.445	31300	239	28594	2464	94	554	333	27	284	1046	84	43	13929	1096
20	JUNCTION BLUFF STREET	Municipal	0.605	28900	221	26351	2325	91	535	321	26	263	971	78	40	17485	1407
20	INTERSECTION IA 946	Municipal	0.088	29900	229	27344	2325	91	535	321	26	263	971	78	40	2631	205
20	EAST LIMITS OF DUBUQUE AT
20	ILLINOIS STATE LINE	Municipal	0.500	20200	155	18474	1569	64	381	229	19	171	630	51	26	10100	785
	ROUTE SUMMARY - RURAL		17.555	12556												220416	29857
	ROUTE SUMMARY - MUNICIPAL		9.467	20991												198721	18786