The message from "Bob Heath" contains these words:
In the days of the big 4 when steam was No 1, was there a station where the
> LNER met the Southern?
> I am mostley LNER but fancy an excuse for some green coaches
Instead of looking for a station, think along the lines of "through coaches". When I was a lad (5 million years is a long time!) we went on holiday to Bournemouth. It was quite obvious which coach had our reserved seats: it was the only green coach in Chester General station. (not LNE I know but the same principle applies)