No, but there can be numerous reasons. In this case, the train was in the correct formation out of King's Cross, but it's possible something may have happened such as a bird strike, or windscreen failure, to require the other end to be at the front from Newcastle.I'm on the 18:30 King's Cross [KGX] - Edinburgh [EDB]. The train reversed at Newcastle, which I wasn't expecting. Does this happen often with VTEC through services?
The same things happened to me before on Friday evening departures from KGX. It'll be for the Carlisle diversions tomorrow.
They don't need to reverse the formation for the Tyne Valley diversions, as the train stays the "correct" way round for the whole journey.
I'm guessing a technical issue.
I know they don't need to, but it does seem to happen more often on a Friday or Saturday evening than any other time. Too often, I think, to be a technical issue. Perhaps it's route learning?
Apologies for the delayed update: I spoke to the driver once we reached Waverley and he said that the reversal was due to a problem which had emerged during the journey with the driver's cab door. (Sorry, I didn't take in which end was which. It was late!)
He also said that with the cool, damp evening he could feel the loco slipping, and apologised if it had resulted in a slightly rough ride! (It hadn't been rough at all: I spent most of the journey watching video on my tablet, which is far from being the most stable thing when it's propped up on on its folding cover, and I don't recall the slightest wobble.)