Indiana State Route 18 cuts east-west across the Center of Benton County. This is the main east-west route in the county. IN St Rt 18 passes through the following towns in Benton County. Free Fowler
EB IN St Rt 18 near Fowler. A junction marker on SB IN St Rt 55. A guide marker in Fowler. WB U.S. Rt. 52/IN St Rt 18; NB IN St Rt 55 in Fowler. A guide marker in Fowler. A guide marker on EB U.S. Rt. 52/IN St Rt 18; SB IN St Rt 55. EB U.S. Rt. 52/IN St Rt 18; SB IN St Rt 55 south of Fowler. A junction marker on WB U.S. Rt. 52/NB IN St Rt 55. EB IN St Rt 18 east of Fowler. EB IN St Rt 18 near Atkinson.
