U.S. Federal Route 218 is the main north-south highway in Benton County. Unlike in other county, U.S. Rt. 218 in Benton County is on two-lane surface roads. U.S. Rt. 218 passes through the following town in Benton County. Vinton U.S. Rt. 218 is multi-plexed in Benton County. U.S. Rt. 30, from the Benton/Linn County Line to near Van Horne.
U.S. Rt. 218 intersects the following highways in Benton County. Iowa State Route 279, near Atkins.
Iowa State Route 287, near Newhall. U.S. Rt. 30, near Van Horne. Iowa State Route 199, near Van Horne. Iowa State Route 150, near Vinton. Iowa State Route 198 near Garrison. Iowa State Route 8, near Dysart.
