Iowa DOT

Volume of Traffic on the Primary Road System

Route	2010	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2010				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
380	7 Black Hawk COUNTY
380	WEST-NORTH WEST-SOUTH RAMP	Rural	0.414	220	1	181	38	2	7	2	0	2	24	0	0	91	16
380	NORTH-WEST SOUTH-WEST RAMP	Rural	0.376	220	1	187	32	2	5	1	0	2	21	0	0	83	12
380	CO RD D38 INTERCHANGE	Rural	6.874	15100	63	11534	3503	94	288	67	4	264	2676	30	80	103797	24080
380	EAST-NORTH WEST-NORTH RAMP	Rural	0.433	260	1	226	33	1	3	1	0	2	25	0	0	113	14
380	SOUTH-EAST SOUTH-WEST RAMP	Rural	0.344	210	1	171	38	2	5	1	0	3	26	0	0	72	13
380	EAST-SOUTH WEST-SOUTH RAMP	Rural	0.412	190	1	161	28	1	4	1	0	2	19	0	0	78	12
380	NORTH-EAST NORTH-WEST RAMP	Rural	0.327	230	1	198	31	2	6	1	0	2	19	0	0	75	10
380	EAST JUNCTION US 20 INTERCHANGE	Rural	2.791	15200	63	11636	3501	94	288	67	4	264	2674	30	80	42423	9771
380	SOUTH-EAST RAMP	Rural	0.617	50	0	40	10	0	1	0	0	1	7	0	0	31	6
380	WEST-SOUTH RAMP	Rural	0.410	7500	31	5745	1724	47	142	33	2	130	1316	15	39	3075	707
380	EAST-SOUTH RAMP	Rural	0.886	90	0	69	21	1	3	1	0	1	15	0	0	80	19
380	SOUTH-WEST RAMP	Rural	0.578	7600	32	5823	1746	46	142	33	2	132	1336	15	39	4393	1009
380	CO RD V49 INTERCHANGE	Rural	1.436	27600	122	22466	5012	178	543	125	8	360	3648	41	109	39634	7197
380	EAST-NORTH EAST-SOUTH RAMP	Rural	0.385	580	2	441	136	5	16	4	0	10	97	1	3	223	52
380	NORTH-EAST SOUTH-EAST RAMP	Rural	0.451	600	3	477	120	4	13	3	0	9	87	1	3	271	54
380	WEST-NORTH WEST-SOUTH RAMP	Rural	0.493	1350	7	1234	110	12	37	9	1	5	46	1	2	666	54
380	NORTH-WEST SOUTH-WEST RAMP	Rural	0.414	1490	7	1372	111	13	40	9	1	4	42	0	1	617	46
380	EAST LIMITS OF EVANSDALE	Rural	0.995	29200	131	24092	4977	193	591	136	9	351	3552	40	106	29054	4952
380	EVANSDALE DRIVE INTERCHANGE	Municipal	0.913	29200	131	24092	4977	193	591	136	9	351	3552	40	106	26660	4544
380	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.284	1570	4	827	739	20	60	14	1	56	565	6	17	446	210
380	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.358	1740	5	888	847	17	51	12	1	66	673	8	21	623	303
380	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.311	3800	16	2864	921	40	122	28	2	63	640	7	19	1182	286
380	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.368	3580	15	2713	852	35	108	25	2	59	599	7	19	1317	314
380	RIVER FOREST ROAD INTERCHANGE	Municipal	2.268	33300	152	27984	5164	232	709	164	10	351	3553	40	106	75524	11712
380	EAST-NORTH RAMP	Municipal	0.396	250	1	223	26	4	11	2	0	1	8	0	0	99	10
380	NORTH-WEST RAMP	Municipal	0.273	3830	20	3627	183	31	96	22	1	3	28	0	0	1046	50
380	WEST-NORTH LOOP	Municipal	0.172	3620	19	3408	194	32	99	23	1	3	33	0	1	623	33
380	NORTH-EAST RAMP	Municipal	0.616	210	1	184	25	4	11	2	0	1	7	0	0	129	15
380	WEST LIMITS EVANSDALE &
380	EAST LIMITS WATERLOO	Municipal	0.399	40300	188	34622	5490	289	883	204	13	356	3599	40	107	16080	2191
380	WEST JCT US 20 & US 218 INTCHG	Municipal	0.409	40300	188	34622	5490	289	883	204	13	356	3599	40	107	16483	2245
380	EAST-NORTH RAMP	Municipal	0.329	7200	32	5872	1297	79	243	56	4	79	803	9	24	2369	427
380	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.218	8800	39	7272	1489	120	367	85	5	79	800	9	24	1918	325
380	SOUTH-EAST RAMP	Municipal	0.513	1580	8	1440	132	15	46	11	1	5	52	1	2	811	68
380	WEST-SOUTH RAMP	Municipal	0.533	1660	8	1554	97	11	35	8	1	4	37	0	1	885	52
380	NORTH-WEST RAMP	Municipal	0.619	1160	6	1034	120	11	32	7	0	6	61	1	2	718	74
380	NORTH-EAST NORTH-WEST RAMP	Municipal	0.199	8300	37	6786	1477	115	353	81	5	80	809	9	24	1652	294
380	SOUTH-WEST LOOP	Municipal	0.011	1490	8	1400	82	9	29	7	0	3	32	0	1	16	1
380	WEST-NORTH LOOP	Municipal	0.403	890	4	649	237	37	113	26	2	5	52	1	2	359	96
380	EAST-SOUTH LOOP	Municipal	0.360	1410	7	1333	70	5	17	4	0	4	39	0	1	508	25
380	NORTH-EAST RAMP	Municipal	0.472	7200	32	5812	1357	105	321	74	5	74	748	8	22	3398	641
380	SAN MARNAN DRIVE INTERCHANGE	Municipal	1.067	20700	19	17564	3116	191	807	203	8	153	1605	63	88	22087	3325
380	EAST-NORTH WEST-NORTH RAMP	Municipal	0.278	5600	6	5229	365	46	193	48	2	6	64	3	4	1557	101
380	SOUTH-EAST SOUTH-WEST RAMP	Municipal	0.307	4240	4	4066	169	15	61	15	1	6	65	3	4	1302	52
380	EAST-SOUTH WEST-SOUTH RAMP	Municipal	0.308	4870	5	4592	273	31	133	33	1	6	62	2	3	1500	84
380	NORTH-EAST NORTH-WEST RAMP	Municipal	0.309	3230	3	3069	158	18	76	19	1	4	37	1	1	998	49
380	JCT US 218 & MITCHELL AVENUE	Municipal	0.581	20400	19	17184	3197	208	881	221	9	150	1579	62	86	11852	1857
	ROUTE SUMMARY - RURAL		18.636	12061												224776	48024
	ROUTE SUMMARY - MUNICIPAL		13.274	14475												192142	29384