Congress Street in Boston , Massachusetts , is located in the Financial District and South Boston . It was first named in 1800. It was extended in 1854 (from State Street ) as far as Atlantic Avenue , and in 1874 across Fort Point Channel into South Boston. Today's Congress Street consists of several segments of streets, previously named Atkinson's Street , Dalton Street , Gray's Alley , Leverett's Lane , Quaker Lane, and Shrimpton's Lane . [1] [2]
42°21′23.5″N 71°3′22.35″W / 42.356528°N 71.0562083°W / 42.356528; -71.0562083