sentences:  The state highway west of Federalsburg was widened around 1958 and extended west fully into Dorchester County to its present terminus when MD 331 and MD 16 were relocated around Ellwood in 1960.MD 318 was placed on the Federalsburg Bypass when the highway was extended south and east around the town to the present intersection with MD 315 in 1964; MD 318 through the town was renumbered MD 315.The Federalsburg Roundabout was constructed in 1998.