{"version":"1.0","type":"link","title":"SR Class 4-DD - Newikis","description":"The SR Class 4-DD was an experimental double-decker electric multiple unit built in 1949 and operated by the Southern Region of British Railways until 1971. Conceived by Oliver Bulleid for the Southern Railway's commuter line from London Charing Cross to Dartford, the two trains were the only…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://upload.wikimedia.org/wikipedia/commons/a/a4/Class_4DD_no_4902_at_Ashford_Steam_Centre.jpg","thumbnail_width":819,"thumbnail_height":594}