All locked up

Close-up of chainlink door fastened over entrance to Myrtle Avenue "El" station at Jay Street; sign over entrance: "Railroad clerk on duty from 6:00 AM to 8:45 PM from Monday thru Friday and 1:00 PM to 8:15 PM on Saturday; at other times use other end of station;" sign inside stairway: "BMT Division, New York City Transit System, Myrtle Ave. Line to Metropolitan Ave., Queens; change at Broadway for East New york."