 As Port Authority Chairwoman, Donovan was a part-time official overseeing a bi-state agency governing all of the New York area ports, including LaGuardia Airport, Newark Liberty International Airport and John F. Kennedy International Airport, along with the World Trade Center and the PATH mass transit system between New York and New Jersey.Donovan stepped down as Port Authority Chairwoman in December 1995 in order to unsuccessfully run for Congress in the 1996 election, but she retained her seat on the agency's Board of Commissioners.Donovan remained a Port Authority Commissioner until 2002 when she was replaced by Gov.