Well it just shows how VERY usful it is to have main & relief lines, not many areas have Quadruple lines.
Paddington to Didcot is the only part of the
FGW▸ to have lengthy multiple lines.
Gone are the days when EVERY train had Buffers and drawgear so that when a train failed, the following train could be brought up behind and Push the failed train.
Oh such is Progress
