On 02/06/2015 08:20, Roland Perry wrote:

In message , at 21:41:05 on Mon, 1 Jun 2015,
Mizter T remarked:
You might manage it by "stepping back", but the discussion has revealed
the reversal is more likely to be at Abbey Wood.

?

Abbey Wood is the end of the line. (Well, the Crossrail branch.)

Yes, so reversing the HEx2023 there will be easy.

Ok, leaving aside the fact that no such HEx service is going to exist.