Iowa DOT

Volume of Traffic on the Primary Road System

Route	2012	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2012				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	5900	30	4654	1217	41	170	49	5	113	779	26	33	35182	7257
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.292	1010	5	854	151	8	33	9	1	12	82	3	4	295	44
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.298	1150	6	992	151	7	31	9	1	12	84	3	4	343	45
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.292	680	4	585	92	6	23	7	1	7	46	2	2	199	27
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.280	700	4	583	113	8	33	9	1	7	51	2	2	196	32
20	SOUTH LIMITS OF MANCHESTER	Rural	1.166	6600	33	5251	1315	43	179	51	6	123	849	28	36	7696	1533
20	EAST LIMITS OF MANCHESTER	Municipal	0.513	6400	32	5095	1273	42	173	50	5	119	822	27	35	3283	653
20	CO RD D5X INTERCHANGE	Rural	0.266	6600	33	5251	1315	43	179	51	6	123	849	28	36	1756	350
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.392	840	5	787	48	5	20	6	1	2	14	0	0	329	19
20	NORTH-EAST SOUTH-EAST RAMP	Rural	0.323	740	4	680	56	6	24	7	1	2	15	0	0	239	18
20	NORTH-WEST SOUTH-WEST LOOP	Rural	0.212	370	2	341	27	2	6	2	0	2	14	0	0	78	6
20	WEST-NORTH WEST-SOUTH LOOP	Rural	0.242	440	3	410	27	2	8	2	0	2	12	0	0	106	7
20	IA 38 INTERCHANGE AT
20	WEST LIMITS OF DELAWARE	Rural	5.065	7400	38	5999	1363	50	208	59	7	123	851	28	36	37481	6904
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	4	553	53	4	18	5	1	3	20	1	1	209	18
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.087	550	3	465	82	5	19	5	1	6	43	1	1	48	7
20	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.162	530	3	447	80	5	19	5	1	6	42	1	1	86	13
20	WEST-NORTH WEST-SOUTH LOOP	Municipal	0.249	450	2	383	64	3	14	4	0	5	34	1	1	112	16
20	EAST LIMITS OF DELAWARE	Municipal	0.954	7500	39	6128	1333	59	242	69	8	114	783	26	33	7155	1272
20	CO RD X35 INTERCHANGE(EARLVILLE)	Rural	2.763	7700	40	6284	1376	60	249	71	8	117	809	27	35	21275	3802
20	EAST-NORTH EAST-SOUTH RAMP	Rural	0.410	400	2	363	34	4	16	5	1	1	7	0	0	164	14
20	WEST-NORTH WEST-SOUTH RAMP	Rural	0.348	450	3	404	44	2	8	2	0	4	25	1	1	157	15
20	NORTH-WEST SOUTH-WEST RAMP	Rural	0.249	400	2	371	27	2	6	2	0	2	14	0	0	100	7
20	NORTH-EAST SOUTH-EAST LOOP	Rural	0.242	360	2	332	26	2	10	3	0	1	9	0	0	87	6
20	EAST JUNCTION CO RD X47	Rural	4.220	8000	41	6451	1508	72	295	85	9	124	858	28	36	33760	6364
20	WEST LIMITS OF DYERSVILLE	Rural	0.748	9600	51	8041	1508	72	295	85	9	124	858	28	36	7181	1128
20	JUNCTION CO RD X49 AT
20	EAST LIMITS OF DYERSVILLE	Municipal	1.589	8600	45	7095	1460	69	286	82	9	120	831	27	35	13665	2320
20	JUNCTION 7TH STREET (DYERSVILLE)	Rural	0.500	9300	49	7743	1508	72	295	85	9	124	858	28	36	4650	754
20	WEST LINE OF DUBUQUE COUNTY	Rural	0.172	9200	48	7644	1508	72	295	85	9	124	858	28	36	1582	259
	ROUTE SUMMARY - RURAL		24.530	6233												152904	28598
	ROUTE SUMMARY - MUNICIPAL		4.101	6026												24714	4306