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
The high of 35C was recorded on a Bakerloo line train between Piccadilly Circus and Oxford Circus at 2pm.
Weather forecasters say temperatures could reach 35C, beating the previous record of 34.6C in the scorching summer of 1976.
After years of political manoeuvring over the future expansion of Heathrow Airport, there has been an important development this lunchtime.