HS2 Victoria Road Crossover Box :: Shared Description
This will be an underground box the size of six football pitches with points to allow HS2 trains to change from one track to the other. The construction site extends across from Chase Road to Victoria Road, and for most of the land between School Road and the Central Line at North Acton station.
An HS2 media web page "HS2 set to start permanent construction of huge Victoria Road Crossover Box" tells us: "The huge underground box structure being built will house a crossover track mechanism that will allow trains to switch between tracks, up to a design speed of 62 mp/h. . . The box will be 130m in length and 24m deep complete with 1.5m thick walls . . The base slab will be supported by 77 piles which will be installed 20m into the ground below the slab level. . . The site is also currently being prepared to launch the Northolt Tunnel Boring Machines which will bore 3.4 miles North West, as part of the construction of HS2’s 8.4 mile Northolt Tunnel."
The website "Ian visits" has more graphics including a map: Link
An HS2 media web page "HS2 set to start permanent construction of huge Victoria Road Crossover Box" tells us: "The huge underground box structure being built will house a crossover track mechanism that will allow trains to switch between tracks, up to a design speed of 62 mp/h. . . The box will be 130m in length and 24m deep complete with 1.5m thick walls . . The base slab will be supported by 77 piles which will be installed 20m into the ground below the slab level. . . The site is also currently being prepared to launch the Northolt Tunnel Boring Machines which will bore 3.4 miles North West, as part of the construction of HS2’s 8.4 mile Northolt Tunnel."
The website "Ian visits" has more graphics including a map: Link

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Created: Fri, 12 Feb 2021, Updated: Wed, 24 Feb 2021
The 'Shared Description' text on this page is Copyright 2021 David Hawgood, however it is specifically licensed so that contributors can reuse it on their own images without restriction.