John F. Kennedy Center Plaza Authorization Act of 2002

John F. Kennedy Center Plaza Authorization Act of 2002 - Amends the John F. Kennedy Center Act to direct the Secretary of Transportation to undertake activities necessary to plan, design, engineer, and construct a Plaza (other than buildings) adjacent to the John F. Kennedy Center for the Performing Arts, including improved bicycle, pedestrian, and vehicular access to and round the Center.

Authorizes the Board of Trustees of the Center to undertake activities on the Plaza necessary to facilitate the project, including construction of buildings on the Plaza.

Allows the Board to acknowledge private contributions used in construction only in the interior, not on the exterior, of the buildings.

Grants the Mayor of the District of Columbia, as necessary to meet project requirements and needs, exclusive authority to: (1) modify the permanent system of District highways; (2) convey any interest in real estate (including air rights or air space) owned or controlled by the District; and (3) enter into memoranda of agreement with the Board and any Federal or other governmental agency.

Declares that upon completion of the Project the responsibility for maintenance and oversight of roadways, sidewalks, and green spaces shall remain with the owner of the affected property. Declares that the Board shall own, operate, and maintain the buildings and green spaces established on the Plaza.

Authorizes the Secretary to realign national highways related to Project changes and improve direct access and egress between Interstate Route 66 and the Center.

Authorizes appropriations for FY 2003 through 2010.