Silvertown Tunnel

East London, in the UK, has seen significant population growth with little road infrastructure investment over the last 30 years. To address this and prepare for London’s future population growth, the UK government’s Transport for London will deliver the new Silvertown Tunnel, to relieve chronic traffic congestion and poor air quality around the existing 122-year-old Blackwall tunnel.  

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The challenge

The Silvertown Tunnel is being built under the River Thames, near London City Airport and Canary Wharf. It will connect south of the River Thames with the access to the existing Blackwall Tunnel and north of the River Thames with the Tidal Basin Roundabout, in Silvertown, easing traffic congestion in this key London location. 

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Larry Mackey
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The experts

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‘Transforming the Lives of East London Communities, through sustainable infrastructure investment’

The solution

The design of the tunnel includes a 1.0 km twin-bore road tunnel under the River Thames as well as 0.6km of access ramps. To achieve this the largest ever used Tunnel Boring Machine in the UK will play a vital role in reducing congestion, increasing connectivity, and delivering economic benefit.   

The design and construction of the tunnel is being carried out by the consortium’s development team; BAM Nuttall, Wayss & Freytag Ingenieurbau – who are our long-standing partners – and Ferrovial Agroman and SK E&C.   

Invesis’ are proud to play a central role in solving Transport for London’s investment and development challenges, enabling them to deliver on a vital piece of infrastructure, which will transform many lives within the East London communities.  

Invesis are providing 22.5% of equity and will be responsible for operations and maintenance of the project for a 25-year period. 

According to the jury at the Partnerships Bulletins ‘Partnerships Awards’ (who awarded the project the award for best road, tunnel project in 2020), Silvertown Tunnel “is a pioneering project in the United Kingdom with a customized financial plan. We were impressed with the efficiency of the contractual framework between the parties and its social and environmental impact”. 

Keep up to date on developments at Silvertown Tunnel by visiting 



Contract duration

Transport for London


Ivesis (22.5%) Cintra (22.5%) Macquarie (22.5%) Aberdeen (22.5%) and SK E&C (10%)