B90/B92/B2K Rolling Stock
Further vehicles were required as the network grew and as the original P86 and P89 cars had to be replaced due to their unsuitability for the changed system conditions. Bombardier built 23 vehicles of B90 stock in 1991, 47 vehicles of B92 stock between 1993 and 1995, and 24 vehicles of B2K stock in 2001 and 2002. When new the B2K stock differed from the earlier vehicles in appearance as the doors and handrails were painted in colours contrasting to their surroundings. They are also fitted with internal LCD display screens. These differences were all mandated by the Rail Vehicle Accessibility Regulations (RVAR) of the Disability Discrimination Act (DDA), which were not in force when the older cars were built.
The 'B' in the type codes refers to Beckton DLR depot, where they are primarily maintained. They are of a common design and can be operated interchangeably in trains of up to three sets.
The DLR fleet at the end of 2004 consisted of:
- 22–44: Bombardier B90, built in 1991
- 45–91: Bombardier B92, built 1993–1995
- 92–99, 01–16: Bombardier B2K, built 2001–2002
The numbering of the last B2K cars restarted at 01, reusing the numbers of the replaced, original cars. The main reason for this was that the DLR computer system had only been designed originally to handle 2-digit car numbers, and an upgrade to allow 3-digit car numbers did not take place until some time after these cars were received.
DLR cars had a common livery of blue, red, and white upon delivery. Over the years, several vehicles have received all-over advertising livery. A new livery of turquoise and blue was tested on B92 car 40 in the mid-1990s, but it was not adopted, and the car was repainted in standard livery a few years later. The B90, B92 and B2K stocks were refurbished starting in 2004 with the completed trains re-entering service with a redesigned interior and in a new livery of red and blue with grey doors to comply with the Disability Discrimination Act. The refurbished units feature an Audio and Visual Information System (AVIS) which gives audio announcements when approaching a station: "This train is for destination, the next stop is next stop", for example: "This train is for Bank, the next stop is Canary Wharf". It also announces the name of the station when the doors have opened, for example: "This is Canary Wharf".
Read more about this topic: Docklands Light Railway Rolling Stock
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