Tunnel Engineering

Delivering innovative underground engineering solutions for complex infrastructure projects.

As part of SYSTRA Group, we connect clients with an expanded portfolio of specialist engineering services through SYSTRA ANZ.

Roadheader excavating a road tunnel on the WestConnex M4, Sydney

Engineering Solutions for Complex Underground Infrastructure

Tunnel engineering plays an important role in connecting communities, improving transport networks and enabling essential infrastructure to be delivered in challenging environments.

SYSTRA ANZ brings extensive experience in the planning, design and delivery of tunnels and underground structures, supporting major rail, road, utilities and energy infrastructure projects across Australia and New Zealand.

Its specialist capabilities encompass a broad range of tunnelling and construction methodologies, including tunnel boring machines, roadheader excavation, drill and blast, cut-and-cover construction and trenchless technologies.

Local Experience, Global Expertise

Drawing on local project experience and SYSTRA’s international network of underground engineering specialists, the team develops practical, cost-effective solutions that address complex ground conditions, construction constraints and operational requirements.

From early feasibility and design through to construction engineering and technical support, SYSTRA ANZ helps clients deliver safe, resilient and efficient underground infrastructure that meets the needs of growing communities.

Explore Tunnel Engineering
Tunnel boring machine cutterhead breaking through rock on Sydney Metro City & Southwest

Tunnel Engineering Projects

Rail
Sydney Metro City & Southwest (SMCSW)

Sydney Metro City & Southwest (SMCSW)

Sydney, New South Wales

Australia

Rail
Suburban Rail Loop

Suburban Rail Loop

Melbourne, Victoria

Australia

Stations
Sydney Metro Northwest

Sydney Metro Northwest

Sydney, New South Wales

Australia

Rail
Cross River Rail

Cross River Rail

Brisbane, Queensland

Australia

Rail
Forrestfield-Airport Link

Forrestfield-Airport Link

Perth, Western Australia

Australia

Tunnels
Melbourne Metro

Melbourne Metro

Melbourne, Victoria

Australia

Rail
Sydney Metro Tunnel Stations Excavation

Sydney Metro Tunnel Stations Excavation

Sydney, New South Wales

Australia

Roads
North East Link

North East Link

Melbourne, Victoria

Australia

Roads
WestConnex Stage 3B – Rozelle Interchange

WestConnex Stage 3B – Rozelle Interchange

Sydney, New South Wales

Australia

Curiosity, Bravery & Trust

World-Class Engineering