Iowa DOT

Volume of Traffic on the Primary Road System

Route	2016	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2016				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
30	64 Marshall COUNTY
30	JUNCTION CO RD S52	Rural	2.431	7000	30	6122	848	33	167	35	4	56	501	21	30	17017	2061
30	JCT 3RD AVE WEST (STATE CENTER)	Rural	0.996	6600	28	5695	877	31	158	33	4	60	536	23	33	6574	873
30	INTERSECTION CO RD S62	Rural	3.465	7000	30	6093	877	31	158	33	4	60	536	23	33	24255	3039
30	IA 330 INTERCHANGE	Rural	3.991	7400	32	6491	877	31	158	33	4	60	536	23	33	29533	3500
30	EAST-NORTH EAST-SOUTH RAMP	Rural	0.255	2770	12	2392	367	13	68	14	2	25	221	9	13	0	0
30	NORTH-EAST SOUTH-EAST RAMP	Rural	0.400	2700	12	2361	327	12	61	13	1	22	198	8	12	0	0
30	WEST-NORTH WEST-SOUTH RAMP	Rural	0.264	740	3	694	43	3	17	4	0	2	16	1	1	0	0
30	NORTH-WEST SOUTH-WEST RAMP	Rural	0.259	740	3	666	71	5	23	5	1	3	31	1	1	0	0
30	IOWA AVENUE INTERCHANGE	Rural	2.180	11900	51	10418	1431	47	242	51	6	99	892	38	54	25942	3120
30	OAKS AVENUE INTERCHANGE	Rural	1.248	8700	36	7336	1328	38	194	41	5	96	865	37	53	10858	1657
30	EAST-NORTH EAST-SOUTH RAMP	Rural	0.344	210	1	198	11	1	6	1	0	0	2	0	0	0	0
30	NORTH-EAST SOUTH-EAST RAMP	Rural	0.234	210	1	206	3	0	1	0	0	0	2	0	0	0	0
30	WEST LIMITS OF MARSHALLTOWN	Rural	0.675	9100	38	7701	1361	39	199	42	5	98	886	38	54	6143	919
30	IA 14 INTERCHANGE	Municipal	1.497	8600	36	7282	1282	37	188	40	5	93	834	36	51	12874	1919
30	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.265	2360	11	2273	76	5	23	5	1	4	35	2	3	0	0
30	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.242	2400	11	2279	109	7	36	8	1	5	48	2	3	0	0
30	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.270	1580	7	1437	136	7	38	8	1	8	67	3	4	0	0
30	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.211	1770	8	1604	158	9	46	10	1	8	76	3	4	0	0
30	18TH AVENUE INTERCHANGE	Municipal	1.482	9900	43	8683	1174	32	163	34	4	86	774	33	47	14672	1740
30	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.320	2210	10	2018	182	11	57	12	1	9	82	4	5	0	0
30	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.307	2090	9	1858	222	14	71	15	2	11	100	4	5	0	0
30	WEST-NORTH WEST-SOUTH RAMP	Municipal	0.224	600	2	423	175	8	42	9	1	11	95	4	5	0	0
30	NORTH-WEST SOUTH-WEST RAMP	Municipal	0.221	570	2	420	148	7	36	8	1	9	80	3	4	0	0
30	EAST LIMITS OF MARSHALLTOWN	Municipal	0.352	12500	56	11290	1154	44	222	47	5	76	688	30	43	4400	406
30	JUNCTION SHADY OAKS ROAD	Rural	1.356	13300	59	12015	1226	46	236	50	6	81	731	31	45	18035	1662
30	INTERSECTION YATES AVENUE	Rural	2.441	12800	57	11517	1226	46	236	50	6	81	731	31	45	31245	2993
30	CO RD T37 INTERCHANGE AT
30	WEST LIMITS OF LE GRAND	Rural	1.023	11200	49	9925	1226	46	236	50	6	81	731	31	45	11458	1254
30	EAST-NORTH EAST-SOUTH RAMP	Municipal	0.305	350	2	311	38	1	6	1	0	3	24	1	1	0	0
30	NORTH-EAST SOUTH-EAST RAMP	Municipal	0.878	430	2	375	53	3	17	4	0	3	24	1	1	0	0
30	WEST-NORTH WEST-SOUTH RAMP	Rural	0.480	1810	8	1681	121	8	41	9	1	6	51	2	3	0	0
30	NORTH-WEST SOUTH-WEST RAMP	Rural	0.297	1640	8	1550	83	6	29	6	1	4	34	1	1	0	0
30	INTERSECTION ABBOTT AVENUE	Municipal	0.998	8100	34	6981	1085	33	170	36	4	77	693	30	43	8084	1083
30	EAST LIMITS OF LE GRAND AT
30	WEST LINE OF TAMA COUNTY	Municipal	0.074	9400	41	8274	1085	33	170	36	4	77	693	30	43	696	80
	ROUTE SUMMARY - RURAL		22.339	8268												181060	21078
	ROUTE SUMMARY - MUNICIPAL		7.646	5863												40726	5228