Portal:London transport/Anniversaries/27 July
- 27 July
- 1846 – London and South Western Railway opens line from Clapham to Richmond.
- 1898 – Marylebone station opens as the London terminus of the Great Central Railway.
- 1946 – A Northern line train crashes into buffers at Edgware when the driver suffers a heart attack and the dead man's handle fails to stop the train.