Iowa DOT

Volume of Traffic on the Primary Road System

Route	2002	Rural/Municipal	Section length (miles)	Annual average daily traffic	Vehicle classification distribution of annual average daily traffic											Average daily vehicle miles
	2002				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	38 Grundy COUNTY
20	JUNCTION CO RD T13 *	Rural	3.064	3230	25	2686	519	10	90	46	10	89	245	18	11	9897	1590
20	SOUTH LINE OF BUTLER COUNTY	Rural	0.392	3230	25	2686	519	10	90	46	10	89	245	18	11	1266	203
20	WEST JUNCTION IA 263	Rural	5.916	3450	27	2913	510	10	91	47	11	86	237	17	11	20410	3017
20	IA 14 SOUTH INTERCHANGE	Rural	0.482	3640	29	3101	510	10	91	47	11	86	237	17	11	1754	246
20	WEST LIMITS OF DIKE	Rural	6.576	6000	47	5029	924	15	141	72	16	167	458	33	21	39456	6076
20	CO RD T55 INTERCHANGE	Municipal	0.513	5800	45	4870	885	14	134	69	16	160	440	31	21	2975	454
20	EAST LIMITS OF DIKE	Municipal	0.521	6700	53	5749	897	15	138	71	16	161	443	32	21	3491	467
20	WEST LIMITS OF DIKE	Rural	0.721	7000	56	6007	937	16	145	74	17	168	462	33	22	5047	676
20	EAST LIMITS OF DIKE	Municipal	0.313	6700	53	5749	897	15	138	71	16	161	443	32	21	2097	281
20	IA 263 & CO RD T69 INTCHG AT
20	WEST LINE OF BLACK HAWK COUNTY	Rural	3.498	7000	56	6007	937	16	145	74	17	168	462	33	22	24486	3278
	ROUTE SUMMARY - RURAL		20.649	4955												102316	15086
	ROUTE SUMMARY - MUNICIPAL		1.347	6357												8563	1202