Central Line’s 1992 Stock trains to be refurbished
" 91061-Epping-20090511 " by Janderk1968 - Own work . Licensed under CC BY-SA 3.0 via Wikimedia Commons. The Rail and Underground Panel of the TfL board is planning to refurbish the Central Line's 1992 Tube stock trains. As part of the Heavy Overhaul Programme Lift (HOPL), their purpose is to refurbish the Central Line trains which are currently 20 years old. The Central Line fleet comprises 85 trains and 680 cars, which makes it the largest in London Underground operation. The cost of the project is expected to be around £123.16 million and will be presented to the TFL board by March 2015. The mechanisms and system of the 1992 tube stock to be upgraded are: Braking, Traction/Propulsion, Doors, Car body, Bogie/Suspension, Couplings, Undergrame, Auxiliaries, Heating & Ventilation, Ait Supply, Electrical Distribution, Fault Recording Equipment, Automatic Train Control, Communications, Shoegear and De-icing equipment. Their first unit (2 cars) is to enter refurbi...