Iowa DOT

Volume of Traffic on the Primary Road System

Route	2011	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2011				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	28 Delaware COUNTY
20	IA 13 INTERCHANGE	Rural	5.963	5800	26	4571	1202	39	169	49	5	111	774	24	31	34585	7168
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.292	1000	5	846	149	7	32	9	1	12	82	2	3	292	44
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.298	1130	5	975	149	7	30	9	1	12	84	3	4	337	44
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.292	670	3	576	91	5	23	7	1	7	45	1	1	196	27
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.280	690	3	576	111	7	32	9	1	7	50	2	2	193	31
20	SOUTH LIMITS OF MANCHESTER	Rural	1.166	6500	29	5172	1298	41	177	52	6	121	843	26	34	7579	1513
20	EAST LIMITS OF MANCHESTER	Municipal	0.513	6400	29	5097	1274	40	173	51	5	119	827	25	33	3283	654
20	CO RD D5X INTERCHANGE	Rural	0.266	6500	29	5172	1298	41	177	52	6	121	843	26	34	1729	345
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.392	830	4	777	48	5	20	6	1	2	14	0	0	325	19
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.323	730	4	670	56	6	24	7	1	2	15	0	0	236	18
20	NORTH-WEST SOUTH-WEST LOOP	Rural	0.212	360	2	331	27	1	6	2	0	2	14	0	0	76	6
20	WEST-NORTH WEST-SOUTH LOOP	Rural	0.242	430	2	401	27	2	8	2	0	2	12	0	0	104	7
20	IA 38 INTERCHANGE AT
20	WEST LIMITS OF DELAWARE	Rural	5.065	7300	33	5920	1346	48	205	60	6	121	845	26	34	36975	6817
20	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.292	700	4	648	48	3	13	4	0	3	23	1	1	204	14
20	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.342	610	3	554	53	4	18	5	1	3	21	1	1	209	18
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.087	540	3	457	81	4	19	5	1	6	43	1	1	47	7
20	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.162	530	3	448	80	4	19	5	1	6	42	1	1	86	13
20	WEST-NORTH WEST-SOUTH LOOP	Municipal	0.249	450	2	384	64	3	14	4	0	5	35	1	1	112	16
20	EAST LIMITS OF DELAWARE	Municipal	0.954	7500	35	6131	1334	56	242	71	8	113	788	24	31	7155	1273
20	CO RD X35 INTERCHANGE(EARLVILLE)	Rural	2.763	7600	35	6206	1358	57	246	72	8	115	803	25	32	20999	3752
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.410	390	2	354	34	4	16	5	1	1	7	0	0	160	14
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.348	440	2	394	44	2	8	2	0	4	26	1	1	153	15
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.249	390	2	361	27	1	6	2	0	2	14	0	0	97	7
20	NORTH-EAST SOUTH-EAST LOOP	Rural	0.242	350	2	322	26	2	10	3	0	1	9	0	0	85	6
20	EAST JUNCTION CO RD X47	Rural	4.220	7900	36	6375	1489	68	292	85	9	122	852	26	34	33338	6284
20	WEST LIMITS OF DYERSVILLE	Rural	0.748	9500	45	7965	1489	68	292	85	9	122	852	26	34	7106	1114
20	JUNCTION CO RD X49 AT
20	EAST LIMITS OF DYERSVILLE	Municipal	1.589	8600	40	7098	1461	67	286	84	9	120	836	26	34	13665	2322
20	JUNCTION 7TH STREET (DYERSVILLE)	Rural	0.500	9200	43	7667	1489	68	292	85	9	122	852	26	34	4600	745
20	WEST LINE OF DUBUQUE COUNTY	Rural	0.172	9100	43	7568	1489	68	292	85	9	122	852	26	34	1565	256
	ROUTE SUMMARY - RURAL		24.530	6147												150777	28239
	ROUTE SUMMARY - MUNICIPAL		4.101	6026												24714	4310