New York State Route 18F is a north-south highway in Northwestern Niagara County. It runs from near Youngstown to Lewistown. NY St Rt 18F passes through the following towns in Niagara County. Youngstown Lewistown
NY St Rt 18F is not multi-plexed in Niagara County. NY St Rt 18F intersects the following highways in Niagara County. New York State Route 18, near Youngstown. New York State Route 93, at Youngstown. New York State Route 104, at Lewiston.
A BGS on EB NY St Rt 104. A guide marker in Lewiston. The southern end marker.