Iowa DOT

Volume of Traffic on the Primary Road System

Route	2004	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2004				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	9500	72	8061	1365	35	225	102	17	241	672	48	25	4836	695
20	IA 136 INTERCHANGE	Municipal	0.361	9200	70	7807	1322	34	218	98	16	234	651	47	24	3321	477
20	EAST LIMITS OF DYERSVILLE	Municipal	0.362	10300	79	8798	1422	37	238	107	18	250	696	50	27	3729	515
20	INTERSECTION WUCHTER ROAD	Rural	1.541	10600	81	9051	1467	38	246	111	18	258	718	51	27	16335	2261
20	WEST LIMITS OF FARLEY	Rural	2.997	10900	83	9198	1619	43	277	125	21	282	786	56	29	32667	4852
20	INTERSECTION OLDE CASTLE ROAD	Municipal	0.245	10800	82	9114	1603	42	274	124	20	280	779	56	29	2646	393
20	1ST STREET INTERCHANGE	Municipal	1.012	9400	70	7794	1535	39	255	115	19	271	754	54	27	9513	1553
20	EAST LIMITS OF FARLEY *	Municipal	0.540	10100	76	8508	1514	39	250	113	19	267	745	53	27	5454	818
20	CENTER AVENUE INTCHG (EPWORTH)	Rural	3.260	10400	79	8759	1562	40	259	117	19	276	768	55	28	33904	5092
20	CO RD Y21 INTERCHANGE (PEOSTA)	Rural	4.176	14300	111	12370	1818	58	374	169	28	291	811	58	30	59717	7592
20	JUNCTION THUNDER HILLS ROAD	Rural	1.497	16500	131	14550	1818	56	359	162	27	297	827	59	31	24701	2722
20	JUNCTION CO RD D29	Rural	2.384	16500	131	14550	1818	56	359	162	27	297	827	59	31	39336	4334
20	WEST LIMITS OF DUBUQUE	Rural	1.650	19100	153	17036	1909	64	413	187	31	297	827	59	31	31515	3150
20	JUNCTION LOCAL STREET	Municipal	1.742	20400	164	18298	1936	74	480	217	36	276	769	55	28	35537	3373
20	JUNCTION IA 32	Municipal	0.370	22900	153	20758	1985	72	448	264	22	220	852	69	37	8473	734
20	JUNCTION CRESCENT RIDGE	Municipal	0.418	26800	180	24509	2106	70	435	256	22	247	957	77	41	11202	880
20	JUNCTION MERCER DR & WACKER DR	Municipal	0.554	28600	193	26296	2106	70	435	256	22	247	957	77	41	15844	1167
20	INTERSECTION CEDAR CROSS ROAD	Municipal	0.305	25500	171	23218	2106	70	435	256	22	247	957	77	41	7778	642
20	JUNCTION DEVON DRIVE	Municipal	0.686	32500	222	30155	2118	71	442	260	22	247	957	77	41	22295	1453
20	FREMONT AVENUE INTERCHANGE	Municipal	0.661	32500	222	30155	2118	71	442	260	22	247	957	77	41	21483	1400
20	GRANDVIEW AVENUE INTERCHANGE	Municipal	0.127	26200	178	24138	1880	53	329	194	16	241	931	75	40	3327	239
20	HILL ST & BRYANT ST INTERCHANGE	Municipal	0.450	32500	222	30192	2080	68	420	247	21	248	958	77	41	14625	936
20	JUNCTION BLUFF STREET	Municipal	0.595	31500	213	28892	2390	100	624	368	31	237	916	74	40	18743	1422
20	INTERSECTION IA 946	Municipal	0.094	32100	217	29487	2390	100	624	368	31	237	916	74	40	3017	225
20	EAST LIMITS OF DUBUQUE AT
20	ILLINOIS STATE LINE	Municipal	0.483	26800	186	25335	1273	52	322	190	16	130	501	41	21	12944	615
	ROUTE SUMMARY - RURAL		18.014	13490												243011	30698
	ROUTE SUMMARY - MUNICIPAL		9.005	22202												199931	16842