By Daniel Hunter
The final map of the so-called London 'Night Tube' has been revealed by Transport for London (TfL).
All-night weekend services will run on parts of the Central, Jubilee, Northern, Piccadilly and Victoria lines from 12 September.
There are plans to extend all-night services to London Overground and the Metropolitan, Circle, District and Hammersmith and City lines.
Gareth Powell, from London Underground, said: "As well as making life easier for people, the night Tube will also boost London's night-time economy - supporting thousands of jobs and stimulating hundreds of millions of pounds in economic growth."
But unions aren't happy about the new services. The Aslef union is to strike from 24 hours from 21:30 on 8 July.
The union claims drivers will have to work unlimited night shifts with no extra pay.
'It's easy enough to produce a map, but if London Underground management want to have an all-night service in September, then they need to sit down and negotiate a fair deal for the staff they expect to provide it," said Aslef district organiser Finn Brennan.
"Aslef aren't opposed to all-night services but they have to be introduced in a way that is fair and protects the work-life balance of the hard working staff."
The RMT and TSSA are balloting members for strikes over the same issues.