Not only were delays in 2012/13 lowest on record, but the last year has also been the busiest for the capital's tubes. Transport for London says one of the contributing factors was the Olympics, boosting the number of journeys to one point two billion.
More top news
Police have released an e-fit of a man suspected of attacking her.
The force has been tweeting after carrying out a series of dawn raids.
Adenike Akingbogun made the dangerous manoeuvre after ignoring the crossing lights and driving onto the tracks.