The stop is at the intersection of Saint Nicholas Avenue and Amsterdam Avenue. The train provides service at all times except from 11pm to 5:30am. During these hours the stops here. 163 Street is the next-to-last stop on the line. Despite having 163rd Street in the station name, surface portals are available only at 161st and 162nd streets. Only the southern end of the mezzanine is opened to the public.