No formation details found.
The two Severn Tunnel emergency units 977975 (set 960302, ex-55027) and 977976 (set 960303, ex-55031) at Cardiff Canton on December 17, 2009. They are both withdrawn and are used as source of spares for the 121 unit that runs on the Cardiff Queen Street to Cardiff Bay line. Alex Drennan.
Do you have any images of the set you can add?