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A Driving Van Trailer or DVT is a purpose built railway vehicle which allows the driver to operate a locomotive from the rear end of a train. Trains operating with a DVT therefore do not require the locomotive to "run-round" to the opposite end of the train. DVTs and locomotives operate in push-pull formation utilising a Time-Division Multiplexer to send control signals to the locomotive. As well as the driver's cab, the DVT has luggage space and a guard's office.
The British DVT was developed from the DBSO, but unlike their predecessor, they were built specifically for this purpose. The DVT was designed to be used with British Rail MkIII coaches, and was latterly adapted for British Rail MkIV coaches which have a narrower profile. This enables them to be converted to tilting operation if required in the future.
DVTs can bee seen in service with GNER, Virgin Trains, and are being introduced by 'one' Anglia.
| Mark 1 - Mark 2 - Mark 3 - Mark 4 | |
| Passenger Coaches | |
| Mark 1: | FK - SK |
| Mark 2: | DBSO - FK - SK |
| Non-Passenger Coaches | |
| Mark 3 & 4: | DVT |