The NorthConnex Project consists of 9km Twin motorway tunnels with a three lane capacity for future traffic growth linking the M1 Pacific Motorway, the Pacific Highway and Pennant Hills Road at the northern end with Pennant Hills Road and the Hills M2 Motorway at the Southern end.

M&E Solutions have been contracted to manage commissioning of all tunnel systems including Ventilation, Lighting, Fire Detection and Suppression, Drainage, Radio Re-Broadcast, PA, Incident Detection and Traffic Control Systems.