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In this episode of Tunnel Vision, we tell the tunnelling story from start to finish.

Tideway is upgrading London’s sewer system to cope with its growing population.

Our 25km tunnel will intercept, store and ultimately transfer sewage waste away from the River Thames.

All six Tunnel Boring Machines have now finished their drives marking the completion of the tunnelling phase of the project. 

What happen’s London’s sewers when it rains?

Super Sewer updates

Delivering a lasting legacy

Delivering a lasting legacy

Learn about our legacy work and achievements so far

Our Locations

Our Locations

Find out more about our site locations along the tunnel line.