How do Night Tube services compare around the world?
Although London has the oldest underground system in the world, many other global cities already run a 24-hour service.
The Night Tube begins later on the Victoria and Central line on Fridays and Saturdays.
Transport for London said there was a "huge demand" as passenger numbers on weekends had soared by 70% since 2000.
19 Aug 2016
- From the section London