Crispin Blunt has written to the Secretary of State for Transport, Patrick McLoughlin, and the Chief Executive of Southern Railway (Govia Thameslink), calling for Oyster cards to apply south of Coulsdon South to Gatwick Airport, including Earlswood, Redhill, Reigate, Merstham and Salfords. He is seeking the early implementation of a commitment in the Govia Thameslink Franchise agreement for the extension of Transport for London zones to Gatwick Airport, which was agreed last year.