Tunnels | Mott MacDonald

Intro

We are recognised as one of the world's leaders in tunnel planning, design and construction. Our expertise extends from soft ground to hard rock. Our tunnel design experience includes immersed tube tunnels, NATM tunnelling, trenchless tunnelling, tunnel boring machines, tunnel lighting and ventilation and tunnel refurbishment including design for passive and active fire resistance.

We have planned and designed numerous road, rail, metro, water and service tunnels in all corners of the earth including the SMART road/water tunnel in Malaysia, Boston Central Artery in the USA, Lesotho Highlands Water Project in Africa, the Channel Tunnel between the UK and France, and much of the London Underground metro system.

We've won many prestigious international awards for our tunnelling projects. Some of these key projects include the Channel Tunnel, Boston Central Artery, Whittier Tunnel, Heathrow Express Rail Tunnel, Delhi Metro, SMART and the Airside Road Tunnel at London's Heathrow Airport.