Iowa DOT

Volume of Traffic on the Primary Road System

Route	2008	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2008				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	40 Hamilton COUNTY
20	IA 17 & CO RD R21 WEST INTCHG	Rural	1.400	7900	77	6651	1172	38	163	62	8	245	587	48	20	11060	1641
20	WEST LIMITS OF WEBSTER CITY	Rural	2.789	8300	72	6269	1958	34	144	55	7	468	1121	92	38	23149	5461
20	EAST LIMITS OF WEBSTER CITY	Municipal	0.248	8300	73	6293	1934	33	141	54	7	463	1108	91	37	2058	480
20	WEST LIMITS OF WEBSTER CITY	Rural	0.505	8300	72	6269	1958	34	144	55	7	468	1121	92	38	4192	989
20	IA 17 & SUPERIOR ST EAST INTCHG	Municipal	1.005	8300	73	6293	1934	33	141	54	7	463	1108	91	37	8342	1944
20	EAST LIMITS OF WEBSTER CITY	Municipal	1.242	7700	66	5683	1951	33	140	54	7	468	1120	92	38	9563	2423
20	CO RD R38 INTERCHANGE	Rural	3.723	7800	66	5759	1974	34	142	55	7	473	1133	93	38	29039	7349
20	US 69 INTERCHANGE	Rural	4.009	7800	66	5747	1986	34	145	56	8	475	1138	93	38	31270	7962
20	I 35 INTERCHANGE	Rural	3.635	7400	61	5324	2014	31	133	51	7	488	1169	96	38	26899	7321
20	CO RD R77 INTERCHANGE	Rural	2.453	8300	71	6191	2037	24	102	39	5	508	1217	100	40	20360	4997
20	WEST LINE OF HARDIN COUNTY	Rural	2.977	8200	70	6103	2026	25	107	41	6	503	1205	99	40	24411	6031
	ROUTE SUMMARY - RURAL		21.491	7928												170380	41751
	ROUTE SUMMARY - MUNICIPAL		2.495	8001												19963	4847