Topological
Established Member
Isn't that the split of the Oxford stopper (to allow the London-Dicot section to use the new wires) that at some point will go back there?
Yes, it is. Though maybe the extension of the EWR fills the role of Oxford Stopper and the connection at Didcot Parkway would be ok (I am assuming any Swindon would reverse at Didcot rather than using the chord).
Seeing the discussion of Islip (?) not wanting too many London trains so people do not clog up the roads in the village when parking to take the train, perhaps a similar argument applies to the stations between Oxford and Didcot.
This is all sepculative after all.