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![]() Date: 2006-05-19 15:00:22Land transport Purley railway station British absolute block signalling Purley Oaks railway station Treadle Coulsdon South railway station Rule 55 Signalman Signalling control Railway signalling Transport Rail transport | Source URL: www.railwaysarchive.co.ukDownload Document from Source WebsiteFile Size: 646,72 KBShare Document on Facebook |