Given the current fashion for going overseas (me included), it might be worth editing the quiz rules shown on Page 1 to explicitly say something like "the solution must be a National Rail station in Britain which is currently open - no Tram/Light Rail stops, LU, Le Shuttle, heritage lines, Snowdon Mountain Railway etc."
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Anyhow, here's an easy one in traditional style:-
My first is in Sherborne, but not Surrey Quays,
My second in Stratford and also Aintree.
My third is in Dove Holes and Dalgety Bay,
My fourth in Hindley, Chorley and Keighley.
My fifth is in Polegate, Pitsea and Parton,
My last is in Cromer, Cambridge and Moreton