(19 Aug 2013, 5:58 pm)aureolin wrote Weren't they purchased for the fact they were dual door though? I can recall something being put out at the time by Go North East to say they were to speed up boarding/alighting times. I can recall getting a similar answer from Peter Huntley on Openline.
I think that was just the sales pitch and a perk of getting them cheap.
Cheap deckers become available - bonus!
They have an extra door - double bonus!