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Europe's largest construction project

The Crossrail project is the biggest construction project in Europe and is one of the largest single infrastructure investments ever undertaken in the UK.

At peak construction more than 10,000 people were working at over 40 construction sites across the capital with tens of thousands more jobs supported by the project throughout the supply chain. 


Thames Tunnel westbound track approaching Woolwich station_228611

Crossrail is now focussed on the complex task of fitting out the new tunnels and stations with the necessary infrastructure and railway systems to enable TfL-run services to commence through central London and Docklands in December 2018.

This includes the installation of track, tunnel ventilation, high voltage power, traction power, signalling, communications and overhead line equipment.


Crossrail is the first complete new underground line in more than 30 years. Crossrail tunnelling began in the summer of 2012 and ended at Farringdon with the break through of tunnelling machine Victoria. Eight 1,000 tonne tunnelling machines have bored 26 miles or 42 km of new 6.2m diameter rail tunnels under London. 

A marathon of new Crossrail tunnels have been constructed beneath the busy streets of London by huge tunnel boring machines.


New stations at Paddington, Bond Street, Tottenham Court Road, Farringdon, Liverpool Street, Whitechapel, Canary Wharf, Custom House, Woolwich and Abbey Wood are being built.

Each of the ten new stations will have its own, distinct character, conceived by different architects, which reflect the environment and heritage of the local area. However, at platform level, common design components such as seating, signage and full-height platform screen doors will create a consistent and familiar feel to the rest of the TfL network.


Around three quarters of the route will run above ground on the existing rail network in outer London, Berkshire and Essex.

On these sections of the route, Network Rail is delivering a £2.3bn investment as part of the Crossrail programme to add capacity, improve reliability, upgrade stations and electrify sections of the Great Western Main Line.

Fitting out the railway

Fitting out the railway

Crossrail is now focussed on the complex task of fitting out the new tunnels and stations with the necessary infrastructure... Read more

Crossrail’s 26 mile tunnelling marathon complete

Crossrail’s 26 mile tunnelling marathon complete

Over the last three years, eight 1,000 tonne tunnelling machines have bored 42km or 26 miles of new 6.2 diameter rail... Read more

Meet our giant tunnelling machines

Meet our giant tunnelling machines

Digging the new tunnels was a 24-hour a day job, 7 days a week. Crossrail used eight tunnel boring machines (TBMs)... Read more

Near You

Near You

Explore Crossrail's stations, tunnels and archaeological works Near You