Circle line (London Underground) Widened Lines which are currently used by Thameslink services. The line continues underground after Farringdon station; there are bay platforms at Moorgate station. After passing through Aldgate station, the terminus of the Metropolitan line, the line joins the District line shortly before Tower Hill; this part of the line includes stations on the Victoria Embankment, on the north bank of the Thames, as far as Westminster station. West of Gloucester Road station the line turns off the District main line to join the District line's Edgware Road branch just before High Street Kensington station. In Bayswater the line is in
London Underground Standard Stock and were later reclassified to become Classes 485 and 486. Apart from those cut up following accidents at Ryde depot, and other early withdrawals, most of these units were withdrawn between 1988 and 1991, when they were replaced by London Underground 1938 Stock. In October 1990, five cars were returned to London Transport, to form a Heritage Train. They worked under their own power between Fratton and Wimbledon, and were displayed at an open day at Morden Depot, celebrating 100 years of the Northern line. Standard Stock is used to describe six experimental cars built by five manufacturers in 1923,