About HS2 South Portal & Colne Valley Viaduct Public Visit

South Portal is the main site of the Align joint venture, working in partnership with HS2. From here, our two tunnel boring machines Florence and Cecilia were launched to dig the Chiltern Tunnels, as well as the starting point of the Launching Girder called Dominique building the Colne Valley Viaduct. This is also the largest constraction site on HS2 with 550000 square meters of land.


Activity

Visit to our Exhibition Centre where you can learn about how our tunnel boring mnachines work, and how we are building the longest railway bridge in the UK. With a minibus tour. This visit is PPE free and open to members of the general public, school groups please use the seperate school visit slots on 17th March

Book Your Visit




Thu

16

Mar 2023
10:00 - 12:00
Max Group 15
Fully Booked
Thu

16

Mar 2023
14:00 - 16:00
Max Group 15
Fully Booked

Want to visit this site but booking not open or fully booked? Use the waiting list function to be notified when places become available

Waiting List


Information



Address Align,
South Portal Site,
Chalfont Lane,
WD3 9XN

About HS2

HS2 is a new high speed railway linking up London, the Midlands, the North and Scotland serving over 25 stations including eight of Britain’s 10 largest cities and connecting around 30 million people.

HS2 is the UK’s flagship transport levelling up project. It is the biggest rail investment ever made in the North of England and is Europe’s largest infrastructure project.

The new high-speed line will run between the North West and the South East, stopping at Manchester, Birmingham and London with trains continuing on the existing network to Scotland ...
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