Network Rail have said that their new five year plan will deliver 20% more seats during peak morning hours into London.
London Tonight spoke to Tim Shoveller, Managing Director of Network Rail, about the problems they will have to confront whilst carrying out the building work.
More top news
An American Airlines flight has been evacuated using emergency slides at London's Heathrow Airport .
The move comes amid a motion of no confidence that was tabled against Labour leader Jeremy Corbyn.
Detectives investigating an assault in Newham have released CCTV footage in a bid to identify the two suspects who attacked a 23-year-old.