This is great news for passengers across the capital and marks a significant milestone in the project.
Crossrail will provide a better and faster service for millions of commuters and will help create up to 30,000 additional jobs in central London by 2026.
Crossrail is a part of our long-term economic plan and one of the many rail infrastructure projects benefitting from record levels of Government investment.
Together with Thameslink, investment in rail in the North and a major electrification programme, we are creating jobs, boosting business and generating lasting economic growth across the UK.
More top news
Police have stepped up patrols after a woman in her 40s was "dragged to the ground" in a park in east London.
Families living near Heathrow say they are supporting a group of activists facing jail for chaining themselves to the airport's runway.
Police were called to break up a "large fight" which involved a baseball bat, a man dislocating his shoulder and three arrests.