The city of 2.6 million people has one of the most comprehensive and punctual public transportation systems in the world, incorporating an underground railway, above, and suburban trains.

这座260万人口的城市拥有世界上最全面、最准时的公共交通系统，同时还与地下铁路和地面郊区火车相连接。

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Seats are available on most London Underground, London Overground and Docklands Light Railway (DLR) platforms, all trains have clearly marked priority seating next to the carriage doors, and audio and visual info is provided on most trains and platforms.

BBC: London for disabled visitors