The Wynyard Walk development provides full accessible pedestrian access between Wynyard Station and the new development at Barangaroo. It is expected to accommodate up to 23,000 office workers and up to 33,000 visitors per day. 

The project included a new western entrance to Wynyard Station, a new 3.5 metre by 9-metre wide underground pedestrian link, a new paved pedestrian plaza and pedestrian bridge with lifts and escalators connecting to the Barangaroo development.

MGP were awarded the design and deviation of water mains, sewer mains and storm water mains.