All DLR trains are automatically controlled though carry a Passenger Service Agent who can control the train if necessary via a locked console. The trains do not have cabs and so are popular with passengers who can get a great front view of travel! The DLR trains consist of a single articulated car  though can operate in multiples of up to 3. Some DLR trains have now being augmented with an extra car in the middle, the entire fleet will eventually be upgraded this way. The DLR operates off 750v DC third rail like most railways in London though in the DLR's case power is picked up from the underside of the conductor rail, the top and sides having plastic covers.
|Number built:||94 (23 B90, 47 B92, 24 B2K)|
|Engine:||Brush TM2111A traction motors (750v DC third rail bottom contact)|
|Power:||375 hp (280 kW)|
The B2K cars differ from the 2 earlier batches in that they have been modified to adhere to accessibility regulations and have contrasting colour doors and handrails and internal LCD screens. The earlier cars have being bought up to the same standard during refurbishment. However the fleets are worked hard and the B90 and B92 are showing signs of being worn out, they are due to replaced by new build vehicles in the early 2020s .
|B90 #36 at Canning Town|
|B92 #54 at Poplar depot with older style red front end|
|B92 #63 at Shadwell|
|A DLR train departs Royal Albert|
|B92 #48 at Tower Gateway|
 Colin J Marsden, Rail Guide 2013 (Ian Allan, 2012) p. 256
 Roger Ford, "Rolling stock factories over-capacity threat", Modern Railways (December 2017) p. 25
 DLR Rolling Stock Replacement Programme, Transport for London <http://content.tfl.gov.uk/08-dlr-rolling-stock.pdf>