Huge Service Tunnel completes at Euston
The efforts of our team in partnership with HS2 delivery partner Mace Dragados to construct a new service tunnel for the new Traction Substation (TSS) at Euston station has been commendable.
![Progress on constructing the new TSS at Euston for the Northern Line 1 1024](https://ca1-jsg.edcdn.com/_600xAUTO_crop_center-center_none/Progress-on-constructing-the-new-TSS-at-Euston-for-the-Northern-Line-1-1024x683-JGL-banner.jpg?v=1686844393)
Our Euston team led on the ground by Tunnelling Manager, Alex Zdravkov have been instrumental in sinking a 20-metre deep shaft, carving out the underground passage, coating it with a primary sprayed concrete lining (SCL) and cast in situ secondary lining. All being delivered to meet delivery partner timescales.
![Staff at work](https://ca1-jsg.edcdn.com/_600xAUTO_crop_center-center_none/13072/FUJA2626.jpg?v=1703071100)
![The team at work](https://ca1-jsg.edcdn.com/_600xAUTO_crop_center-center_none/MicrosoftTeams-image-16-1024x704-HS2-CEO-visit.jpg?v=1703071101)
Watch some impressive footage of the huge 90m long tunnel itself below.
CEO of HS2, Mark Thurston and other senior members of the HS2 team - who were all very impressed with the workmanship.