Ventilation is vital for the safety of motorists travelling through the nine- kilometre North Connex tunnel, which is subject to some of the most stringent environmental approvals in the country.
One of the tunnel’s ventilation facilities is located on the western side of the M1 Pacific Motorway at Wahroonga, above the northbound tunnel exit. Evolution Precast manufactured and installed the structure’s exposed tapered façade panels, which express the form of this key piece of Sydney motorway
infrastructure through a dynamic interplay of texture.
