The station consists of two
side platforms next to the tracks on the second level down with the concourse mezzanine level overlooking it. Uniquely among Muni Metro stations, the platforms are slightly curved due to the transition from the
Market Street subway to the
Twin Peaks Tunnel between this station and the now-disused
Eureka Valley station, just southwest. At both Castro and , there is only one entrance on each side of Market Street leading into the station. (All other stations on the Market Street subway have entrances spread out along the length of the station.) The southern entrance is located in
Harvey Milk Plaza on the southwest corner of Market and Castro, and the northern entrance and street elevator on the northwest corner of Market and 17th. The station was constructed by
BART as part of the Market Street subway. The BART Board approved the name "Castro" in December 1965. It was designed by Howard Grant AIA of Reid & Tarics Associates and was completed in 1976. Service at the station began on June 11, 1980. Castro station features a transit plaza at the corner of Castro Street and Market Street. In 1985 it was dedicated to Harvey Milk, the slain SF supervisor and first openly gay elected official in California. In May 2016, the escalator in Harvey Milk Plaza was retrofitted with colored lights (to resemble the
rainbow flag that flies above the plaza) after being rehabilitated. This test was considered a success; lights were added to 17 other escalators in the system, including the other three escalators at Castro, in 2018–19. Muni is constructing
accessibility improvements, including a second elevator, in Harvey Milk Plaza at the south entrance of the station. A 2020 determination that the plaza is eligible for inclusion on the
California Register of Historical Resources was not expected to impact elevator construction, but could stall the larger plaza project. Elevator construction began in June 2023. The elevator will have stops at street level, plaza level, and station lobby level, plus an emergency-only stop at the eastbound platform. , the elevator is expected to open in early 2026. In 2022, a new decorative railing was added on the F Market & Wharves boarding island as part of the Upper Market Street Safety Project. It features a quote from
Harvey Milk's 1977 "You've Got to Have Hope" speech, as well as an illustration of
streetcar #1051, which is dedicated in Milk's honor. == References ==