No. 6 Lexington Avenue local to 51st Street, walk west to Park Avenue. E or V train to Lexington Avenue-53rd Street stop, walk downtown on Lexington to 51st Street, turn right to Park Avenue
Lexington Avenue or Third Avenue buses to 50th Street. Walk west to Park Avenue. 49/50th Street crosstown bus to Madison Avenue or Lexington Avenue. Only the westbound bus on 49th Street stops at Park Avenue.