Union Square/Market Street station

Union Square/Market Street station is an underground Muni Metrolight rail station located under Stockton Street between Geary Street and Market Street in San Francisco, California. It is adjacent to the southeast corner of Union Square. The station opened on November 19, 2022, as part of the Central Subway project. It is the penultimate northbound station on the T Third Street, since T service moved to the Central Subway on January 7, 2023.