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
380	7 Black Hawk COUNTY
380	WEST-NORTH WEST-SOUTH RAMP	Rural	0.329	220	1	181	38	2	7	2	0	2	24	0	0	72	13
380	NORTH-WEST SOUTH-WEST RAMP	Rural	0.249	220	1	187	32	2	5	1	0	2	21	0	0	55	8
380	CO RD D38 INTERCHANGE	Rural	6.874	15100	56	11551	3493	97	274	76	4	235	2696	32	78	103797	24011
380	EAST-NORTH WEST-NORTH RAMP	Rural	0.329	260	1	226	33	1	3	1	0	2	25	0	0	86	11
380	SOUTH-EAST SOUTH-WEST RAMP	Rural	0.261	210	1	171	38	2	5	1	0	2	27	0	0	55	10
380	EAST-SOUTH WEST-SOUTH RAMP	Rural	0.317	190	1	161	28	1	4	1	0	2	20	0	0	60	9
380	NORTH-EAST NORTH-WEST RAMP	Rural	0.249	230	1	198	31	2	5	2	0	2	20	0	0	57	8
380	EAST JUNCTION US 20 INTERCHANGE	Rural	2.791	15200	56	11653	3491	97	274	76	4	235	2694	32	78	42423	9743
380	SOUTH-EAST RAMP	Rural	0.280	50	0	40	10	0	1	0	0	1	7	0	0	14	3
380	WEST-SOUTH RAMP	Rural	0.410	7500	28	5753	1719	48	135	38	2	116	1326	16	38	3075	705
380	EAST-SOUTH RAMP	Rural	0.423	90	0	68	21	1	2	1	0	1	15	0	0	38	9
380	SOUTH-WEST RAMP	Rural	0.578	7600	28	5832	1740	48	135	38	2	117	1346	16	39	4393	1006
380	CO RD V49 INTERCHANGE	Rural	1.436	27500	108	22395	4997	183	516	144	8	321	3675	44	107	39490	7176
380	EAST-NORTH EAST-SOUTH RAMP	Rural	0.317	580	2	441	136	5	15	4	0	9	98	1	3	184	43
380	NORTH-EAST SOUTH-EAST RAMP	Rural	0.298	600	2	477	120	5	13	4	0	8	88	1	2	179	36
380	WEST-NORTH WEST-SOUTH RAMP	Rural	0.342	1350	6	1234	110	12	35	10	1	4	46	1	2	462	38
380	NORTH-WEST SOUTH-WEST RAMP	Rural	0.280	1490	7	1372	111	14	38	11	1	4	43	1	2	417	31
380	EAST LIMITS OF EVANSDALE	Rural	0.995	29100	116	24022	4962	199	561	157	9	312	3578	42	103	28955	4937
380	EVANSDALE DRIVE INTERCHANGE	Municipal	0.913	28800	115	23773	4912	198	556	155	8	309	3541	42	103	26294	4485
380	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.205	1550	4	816	730	20	57	16	1	49	564	7	17	318	150
380	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.242	1720	4	880	836	17	48	13	1	59	671	8	19	416	202
380	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.224	3750	14	2826	910	41	115	32	2	56	638	8	19	840	204
380	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.261	3530	13	2677	841	36	101	28	2	52	597	7	17	921	220
380	RIVER FOREST ROAD INTERCHANGE	Municipal	2.268	32900	133	27670	5097	237	667	186	10	309	3542	42	103	74617	11560
380	EAST-NORTH RAMP	Municipal	0.298	250	1	223	26	4	10	3	0	1	8	0	0	75	8
380	NORTH-WEST RAMP	Municipal	0.211	3780	17	3582	181	32	90	25	1	2	28	0	0	798	38
380	WEST-NORTH LOOP	Municipal	0.379	3570	16	3362	192	33	93	26	1	3	34	0	1	1353	73
380	NORTH-EAST RAMP	Municipal	0.447	210	1	184	25	4	10	3	0	1	7	0	0	94	11
380	WEST LIMITS EVANSDALE &
380	EAST LIMITS WATERLOO	Municipal	0.399	39800	165	34216	5419	295	830	232	13	313	3589	43	104	15880	2162
380	WEST JCT US 20 & US 218 INTCHG	Municipal	0.409	39800	165	34216	5419	295	830	232	13	313	3589	43	104	16278	2216
380	EAST-NORTH RAMP	Municipal	0.329	7100	28	5792	1280	81	229	64	3	70	800	9	22	2336	421
380	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.218	8700	35	7196	1469	123	345	96	5	70	798	9	22	1897	320
380	SOUTH-EAST RAMP	Municipal	0.398	1560	7	1423	130	16	44	12	1	4	51	1	2	621	52
380	WEST-SOUTH RAMP	Municipal	0.379	1640	7	1538	95	12	33	9	0	3	36	0	1	622	36
380	NORTH-WEST RAMP	Municipal	0.479	1150	5	1027	118	11	30	8	0	5	60	1	2	551	57
380	NORTH-EAST NORTH-WEST RAMP	Municipal	0.199	8200	32	6710	1458	118	332	93	5	70	807	10	23	1632	290
380	SOUTH-WEST LOOP	Municipal	0.168	1470	7	1383	81	9	27	7	0	3	33	0	1	247	14
380	WEST-NORTH LOOP	Municipal	0.249	880	3	643	234	38	107	30	2	4	51	1	2	219	58
380	EAST-SOUTH LOOP	Municipal	0.249	1390	6	1314	69	6	16	4	0	3	38	0	1	346	17
380	NORTH-EAST RAMP	Municipal	0.472	7100	28	5734	1339	107	301	84	5	65	746	9	22	3351	632
380	SAN MARNAN DRIVE INTERCHANGE	Municipal	1.067	20400	353	16971	3075	211	666	265	51	243	1484	57	99	21767	3281
380	EAST-NORTH WEST-NORTH RAMP	Municipal	0.168	5500	105	5035	360	50	159	63	12	10	59	2	4	924	60
380	SOUTH-EAST SOUTH-WEST RAMP	Municipal	0.237	4190	82	3941	167	16	51	20	4	10	60	2	4	993	40
380	EAST-SOUTH WEST-SOUTH RAMP	Municipal	0.218	4810	93	4448	269	35	109	43	8	9	58	2	4	1049	59
380	NORTH-EAST NORTH-WEST RAMP	Municipal	0.212	3190	62	2972	156	20	63	25	5	6	34	1	1	676	33
380	JCT US 218 & MITCHELL AVENUE	Municipal	0.581	20100	346	16598	3156	231	728	289	55	240	1461	56	96	11678	1834
	ROUTE SUMMARY - RURAL		16.758	13356												223812	47797
	ROUTE SUMMARY - MUNICIPAL		11.879	15725												186793	28533