on march 25, 2010, the port authority announced that it had assumed responsibility for the development of 5 world trade center, in addition to one world trade center, the national september 11 memorial & museum, the transportation hub, and other site infrastructure. towers 2, 3, and 4 would continue to be developed by silverstein properties. on june 15, 2010, new york university had expressed interest in expanding to 5 world trade center as part of its nyu 2031 program. these plans were also eventually rejected.