She joins her sister TBM Elizabeth to create the eastern section of the new rail line between Docklands and central London.
The two machines will create the 8.3km (5.16 miles) eastern tunnels from Docklands to Farringdon 鈥� Crossrail鈥檚 longest tunnel section.
Elizabeth and Victoria are Crossrail鈥檚 third and fourth tunnelling machines and follow Phyllis and Ada who were launched in west London earlier this year. Elizabeth and Victoria will tunnel beneath the River Lea through new Crossrail stations at Canary Wharf, Whitechapel and Liverpool Street before arriving at Farringdon in late 2014.
Crossrail chief executive Andrew Wolstenholme said: 鈥淭he start of tunnelling by Victoria is a significant milestone to end 2012. With sister machine Elizabeth already underway, tunnelling for Crossrail鈥檚 eastern tunnels between Docklands and Farringdon is now fully up and running.鈥�
In west London, Crossrail鈥檚 first two tunnelling machines Phyllis and Ada have now completed more than 3km of tunnelling. Phyllis is currently under Hyde Park while Ada has entered the station box at Paddington after passing under the national rail lines into Paddington station.
Across the whole Crossrail project, eight TBMs will dig 21km (13 miles) of twin tunnels under London. The Crossrail route will pass through 37 stations and run 118km (73 miles) from Maidenhead and Heathrow in the west, to Shenfield and Abbey Wood in the east.
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