California Code, Government Code - GOV § 67522

The authority's purpose shall be to develop plans for a regional transit terminal in the City and County of San Francisco on and immediately adjacent to the site of the existing transbay transit terminal.  The terminal may be developed in conjunction with such other facilities as, in the judgment of the authority, are necessary and proper to develop the site to its highest and best use.  The terminal and facilities shall be designed and developed in full compliance so that it will conform with the municipal code and master plan of the City and County of San Francisco.