sentences:  In addition, concrete road was constructed from Fairlee to Edesville in 1918.The highway from Edesville to Rock Hall was under construction by 1920 and completed by 1921.The Edesville–Rock Hall segment, which followed Sharp Street and Main Street in the town of Rock Hall, was built of concrete except for near the Rock Hall–Bay Shore ferry, which was built with macadam to allow ferry traffic to use the highway during construction.