Though the routes also run along other major avenues, the majority of their route is along Madison and Fifth Avenues between Greenwich Village to Harlem.
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When The Cloisters Museum is open, the M4 continues north along Margaret Corbin Drive to the entrance to the museum.
Madison Square Garden | University of Wisconsin–Madison | Madison, Wisconsin | Madison | James Madison | East Coast Main Line | West Coast Main Line | New Line Cinema | Cunard Line | White Star Line | Madison County | Madison, New Jersey | Madison Avenue | The Onedin Line | Maginot Line | University of Wisconsin-Madison | Great Central Main Line | What's My Line? | Walk the Line | Stena Line | Line 13, Shanghai Metro | Line 13 | A Chorus Line | What's My Line | V/Line | branch line | Wirral Line | Siegfried Line | Midland Main Line | Madison County, New York |