UK: Two Southern Class 455 EMUs depart from Selhurst on an Epsom Downs to London Victoria service

UK: Two Southern Class 455 EMUs (455819 & 455814) depart from Selhurst station in South London on train 2B39, the 1009 from Epsom Downs to London Victoria. The Southern Class 455 EMUs are all planned to be withdrawn from service at the next timetable change in mid May 2022.
Clip recorded 27 April 2022.
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The British Rail Class 455 is an electric multiple-unit passenger train built by BREL between 1982 and 1985. They are operated on suburban services in Greater London and Surrey by South Western Railway and Southern.

The Class 455 was originally to be classified as the Class 510, at which point they were planned as a 750 V DC version of the Class 317. However, as the chopper control system at the time was not considered robust enough for the electrically rougher third rail Southern Region, they were fitted with second-hand camshaft control systems instead. The Class 510 designation was also discarded in favour of Class 455.

A total of 505 carriages were built by British Rail Engineering Limited's Holgate Road carriage works and together with 43 existing trailers from Class 508s, formed 137 four-car sets. The 455s allowed the Class 405 and Class 415 to be withdrawn, as well as allowing the Class 508s to be transferred to the Merseyside network for which they were originally intended. They also allowed other stock to be cascaded to the North London and Oxted lines.

There were three batches of Class 455s, all consisting of four cars: driving trailer vehicles at each end, an intermediate trailer vehicle and an intermediate motorised vehicle (powered by four EE507-20J of 185 kW carried on the bogies of the MSO vehicle, some recovered from Class 405s), all originally built to the standard class 3+2 seating arrangement with 316 seats. Technically, they are formed DTSO+MSO+TSO+DTSO. They have the same bodyshell as the Class 317 and Class 318, but as they were designed for inner suburban services they do not feature first class seating, air conditioning or toilet facilities and are restricted to 75 mph (121 km/h). Like the Class 317/318, as well as the diesel Class 150, they are based on the British Rail Mark 3, with a steel construction, unlike the earlier PEP based Class 313, Class 314, Class 315, Class 507 and Class 508, which had an aluminium alloy body.

Connex South Central / Southern:
On 13 October 1996, the Network SouthCentral shadow franchise was taken over by Connex South Central with 455801-455846. In the late 1990s, 16 were repainted in Connex's white and yellow livery. In August 2001, the franchise passed to Southern with all 46 transferred. Some were repainted in Southern's white and green livery. Between February 2004 and February 2006, all were refurbished by Alstom, Eastleigh. New 3+2 high back seating as fitted to the Class 377 and the removal of cab end gangways to facilitate the installation of driver's air-conditioning were notable features.

A refurbishment programme started for the Southern units in June 2012. This included a repaint and interior changes, such as changes to the grab rails on the top between each door. 455808 was the first completed, followed by 455812 in August 2012. The project was completed in December 2013, 455801 being the last unit.

Another refurbishment programme begun in January 2018 for the 455s to become compliant with the PRM 2020 specifications with 455816 being the first one completed.

Southern Class 455 units are used on inner and outer suburban services out of London Victoria and London Bridge to destinations in South London and Surrey.
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Selhurst is a London suburb in the Borough of Croydon 7.8 miles (12.6 km) south-south-east of Charing Cross. Historically it lay in Surrey. The area is bounded to the west and south by Thornton Heath and Croydon and to the east and south by South Norwood and Woodside. Selhurst Park, the home stadium of Crystal Palace Football Club, is sited at the northern end of the neighbourhood.
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