Ordinance ordering the summary street vacation of a portion of the airspace above a segment of Natoma Street between First and Second Streets and adjacent to the Transbay Transit Center; quitclaiming the City's interest in the street vacation area to the Transbay Joint Powers Authority; affirming the Planning Department’s determination under the California Environmental Quality Act; and making findings of consistency with the General Plan, and the eight priority policies of Planning Code, Section 101.1.