Tunnel Engineering

Bringing together all required disciplines under one roof, WSP is a world leader in tunnel planning, design, rehabilitation, and construction. From pre-feasibility, through fire and risk engineering and ventilation systems, to post-maintenance, we offer in-depth expertise throughout the tunnel lifecycle.



The Waterview Connection is the largest and most complex road infrastructure project ever undertaken in New Zealand. A 14.4m outside diameter Earth Pressure Balanced (EPB) Tunnel Boring Machine (TBM) was used to complete the twin 2.4km long tunnels, located at the heart of the scheme. 

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