The station has numerous exits into Grand Central Terminal, to the street level at and directly into several buildings along 42nd St including: The Chrysler Building through a passage immediately to the left of the customer service booth on the station's mezzanine 125 Park Ave 110 East 42nd St through a passage downtown of the main mezzanine through their own fare control The Chanin Building, 122 E 42nd St, through its own turnstiles directly accessing the escalators to the IRT Flushing Line platform (east of the mezzanine) Grand Hyatt New York, west side of Lexington Ave north of 42nd St South side of 42nd St west of 3rd Ave numerous others by walking through exits uptown and to the west into Grand Central Terminal An exit outside of the planned One Vanderbilt is proposed. In Oct 2016, construction began on the entrance in One Vanderbilt. Street-level exits include: One stair on either side of 42nd St between Madison and 5th Ave One stair/escalator, SW corner of Park Ave and 42 St.
Lexington Ave, Vanderbilt, 42 street and exit to 45 St as well
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