With 6336 and 6337 being transferred and used on Riverside routes at the moment and 6377 being used on X21, are 6336 and 6337 going to be the spares for the X10?
With 6336 and 6337 being transferred and used on Riverside routes at the moment and 6377 being used on X21, are 6336 and 6337 going to be the spares for the X10?