How much of HS2 is underground?

HS2 currently has five TBMs in the ground, with a further five due to be launched over the coming years. Together they will create 64 miles (103 kilometres) of tunnel between London and the West Midlands including major tunnels on the approaches to London and Birmingham.



People Also Ask

Most of the HS2 route in London will run through newly constructed tunnels. Beginning underground at Euston, the route goes to Old Oak Common, before emerging just south of the Ruislip Golf Course in West Ruislip, and then continuing on the surface.

MORE DETAILS

We'll connect Britain with new high-speed tunnels Longest tunnel The Chiltern Tunnel measuring 16km (10 miles) long. Deepest tunnel The Chiltern Tunnel at 90 metres deep.

MORE DETAILS

We'll connect Britain with new high-speed tunnels Longest tunnel The Chiltern Tunnel measuring 16km (10 miles) long. Deepest tunnel The Chiltern Tunnel at 90 metres deep. Total length of tunnel 65 miles of tunnel between London and the West Midlands.

MORE DETAILS

High Speed 2 (HS2) is a planned high-speed railway line in England, the first phase of which is under construction in stages and due for completion between 2029 and 2033, depending on approval for later stages.

MORE DETAILS

The Fehmarnbelt Tunnel will be the longest combined rail and road tunnel anywhere in the world when it is completed in 2029. This €10 billion project - which crosses a stretch of the Baltic Sea known as the Fehmarn Belt - will connect Rødbyhavn on the Danish island of Lolland and Puttgarden in northern Germany.

MORE DETAILS

Because unlike planes and lorries, train travel on HS2 will be electric which will be from zero carbon energy. Making HS2 the most efficient, zero carbon option for moving large numbers of people around the country.

MORE DETAILS

HS2 explains why putting Manchester station underground is not a viable option. An underground station at Manchester Piccadilly “would introduce significant construction complexity”, cost around £5bn more and take up 13 years longer to build, a comparative study by HS2 Ltd concludes.

MORE DETAILS

The Badaling Great Wall Station is the world's deepest high-speed railway station. Buried 102 meters (335 feet) below ground and covering an area of more than 36,000 square meters, the three-story structure is said to be the world's deepest and largest underground high-speed railway station.

MORE DETAILS

Longest tunnel The Chiltern Tunnel measuring 16km (10 miles) long. Deepest tunnel The Chiltern Tunnel at 90 metres deep.

MORE DETAILS

In terms of underwater tunnels in general, though, the top honor goes to the Channel Tunnel, which connects England and France by rail. Its submerged portion runs for 37.9 kilometers, the longest of any underwater tunnel in the world.

MORE DETAILS

Norwegian road infrastructure operator Statens Vegvegsen has officially opened world's deepest subsea tunnel, the 14.4km Ryfylke tunnel near Stavanger. The tunnel reaches a maximum depth of 292m below sea level.

MORE DETAILS

1. -The Laerdal tunnel. With its 24.5 kilometers, Laerdal tunnel is the longest in the world, traversing several mountainous formations between Laerdal and Aurland, in western Norway.

MORE DETAILS

HS2 Ltd's destruction of ancient woodland and veteran trees is unacceptable. We'll keep pushing hard to save these precious habitats.

MORE DETAILS

HS2 Ltd, the state-funded body responsible for delivering the line, failed to add enough contingency to its cost estimates after using a calculation method that was inappropriate for the early stage of the programme.

MORE DETAILS