Japan: English: The symbol was published in the notification of revised exit light sign and exit sign code (No.2 of Fire and Disaster Management Agency notification
Schematic route map of London Underground, London Overground, Docklands Light Railway and Elizabeth line Chinese 倫敦地下鐵、倫敦地上鐡、碼頭區輕鐡和伊利沙伯綫路綫圖 German Schematischer