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Starts Sunday 25 October 2026 to Sunday 25 October 2026 If you would like to follow this incident on X, please use Train operators affected Great Western Railway Route(s) affected B etween Reading and Gatwick Airport Description Engineering work is taking place between Guildford and Dorking West, closing all lines. Trains between Reading and Gatwick Airport will run a reduced (every 30 minutes) service between Reading and Guildford only. Rail replacement buses will run hourly: a fast service between Guildford and Gatwick Airport between Guildford, Gomshall, Dorking West, Dorking (Main), Betchworth, Reigate and Redhill (hourly) between Guildford, Shalford, Chilworth and Gomshall (1 bus every 2 hours) connecting with the above buses at Gomshall These buses will call at Dorking (Main), and will not call at Dorking (Deepdene). Dorking (Deepdene) is a short distance from Dorking (Main).