Iowa DOT

Volume of Traffic on the Primary Road System

Route	2007	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2007				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	8800	78	7323	1398	48	208	82	10	293	685	50	21	4092	650
20	IA 136 INTERCHANGE	Municipal	0.403	8500	75	7086	1338	46	198	79	9	281	656	48	21	3426	539
20	EAST LIMITS OF DYERSVILLE	Municipal	0.363	9000	79	7428	1492	60	260	103	12	295	690	50	22	3267	542
20	INTERSECTION WUCHTER ROAD	Rural	1.541	9300	81	7660	1558	63	272	108	13	308	720	52	23	14331	2401
20	WEST LIMITS OF FARLEY	Rural	3.000	10400	93	8749	1558	63	272	108	13	308	720	52	23	31200	4674
20	INTERSECTION OLDE CASTLE ROAD	Municipal	0.236	9900	88	8319	1492	60	260	103	12	295	690	50	22	2336	352
20	1ST STREET INTERCHANGE	Municipal	1.026	9400	83	7824	1492	60	260	103	12	295	690	50	22	9644	1531
20	EAST LIMITS OF FARLEY	Municipal	0.540	10700	96	9089	1513	64	279	110	13	292	683	50	21	5778	817
20	CENTER AVENUE INTCHG (EPWORTH)	Rural	3.271	11200	101	9517	1581	67	292	116	14	305	713	52	23	36635	5171
20	CO RD Y21 INTERCHANGE (PEOSTA)	Rural	4.175	12600	113	10642	1844	103	446	177	21	306	716	52	23	52605	7699
20	JUNCTION THUNDER HILLS ROAD	Rural	1.497	14700	135	12695	1869	91	394	156	19	338	789	57	25	22006	2798
20	JUNCTION CO RD D29	Rural	2.370	16700	156	14674	1869	91	394	156	19	338	789	57	25	39579	4430
20	WEST LIMITS OF DUBUQUE	Rural	1.200	18400	174	16356	1869	91	394	156	19	338	789	57	25	22080	2243
20	JUNCTION LOCAL STREET	Municipal	2.185	18900	180	16931	1788	87	377	149	18	323	755	55	23	41297	3907
20	JUNCTION IA 32	Municipal	0.367	23400	169	20909	2318	126	677	327	31	211	865	58	24	8588	851
20	JUNCTION CRESCENT RIDGE	Municipal	0.444	24700	180	22259	2257	103	554	267	26	238	977	66	26	10967	1002
20	JUNCTION MERCER DR & WACKER DR	Municipal	0.538	25300	184	22854	2257	103	554	267	26	238	977	66	26	13611	1214
20	INTERSECTION CEDAR CROSS ROAD	Municipal	0.297	25900	189	23449	2257	103	554	267	26	238	977	66	26	7692	670
20	JUNCTION DEVON DRIVE	Municipal	0.684	31800	236	29238	2320	110	590	285	27	238	977	66	26	21751	1587
20	FREMONT AVENUE INTERCHANGE	Municipal	0.658	27700	203	25172	2320	110	590	285	27	238	977	66	26	18227	1527
20	GRANDVIEW AVENUE INTERCHANGE	Municipal	0.126	24400	177	21988	2230	92	491	237	23	252	1036	70	28	3074	281
20	HILL ST & BRYANT ST INTERCHANGE	Municipal	0.445	30200	223	27592	2380	106	567	274	26	256	1052	71	30	13439	1059
20	JUNCTION BLUFF STREET	Municipal	0.605	28000	206	25543	2245	102	547	264	25	238	976	66	26	16940	1358
20	INTERSECTION IA 946	Municipal	0.088	28900	213	26437	2245	102	547	264	25	238	976	66	26	2543	198
20	EAST LIMITS OF DUBUQUE AT
20	ILLINOIS STATE LINE	Municipal	0.500	19500	144	17839	1514	72	389	188	18	154	633	43	18	9750	757
	ROUTE SUMMARY - RURAL		17.519	12702												222528	30066
	ROUTE SUMMARY - MUNICIPAL		9.505	20235												192330	18192