Maryland State Route 166 is a north-south highway in Southwestern Baltimore County. It runs from Interstate 195, near Arbutus, to Maryland State Route 144, near Cantonsville. MD St Rt 166 passes through the following towns in Baltimore County. Arbutus Cantonsville MD St Rt 166 is not multi-plexed in Baltimore County. MD St Rt 166 intersects the following highways in Baltimore County. Interstate 195, near Arbutus. Maryland State Route 372, near Cantonsville. Maryland State Route 144, ner Cantonsville.
