Maryland State Route 144 is an east-west highway in Southwestern Baltimore County. It runs from the Baltimore/Howard County Line, near Ellicott City, to the Baltimore/City of Balitmore Line, near the Baltimore National Cemetery. MD St Rt 144 passes through the following town in Baltimore County. Catonsville MD St Rt 144 is not multi-plexed in Baltimore County. MD St Rt 144 intersects the following highways in Baltimore County. Maryland State Route 166, near Cantonsville. Interstate 695, at Cantonsville.