24 Cardiff Bay station
Now beginning to look very different to when the picture was taken.
The picture was taken as recently 19th April (2025)
A long shot for 3.... the museum at Buckfastleigh Station?
3.Didcot Rail Centre museum. I took a photo of the fascinating orange enamelled poster above!
Along the right lines - but neither or those is the correct location
6 is Bodmin Parkway
Yes - that's correct