Maryland State Route 304 is an east-west highway in Southern Queen Anne's County. It runs from Centreville to the Carline/Queen Anne's County Line, near Bridgetown. MD St Rt 304 passes through the following towns in Queen Anne's County. Ruthsburg Centreville MD St Rt 304 is not multi-plexed in Queen Anne's County. MD St Rt 304 intersects the following highwyas in Queen Anne's County. Maryland State Route 405, near Bridgetown. Maryland State Route 481, at Ruthsburg. U.S. Rt. 301, near Carville. Maryland State Route 213, at Centreville.
