Gray/Cox St roundabout set to close temporarily 10/06/2022 Facebook POWERCOR and Telstra roadside boring is nearing completion as part of works for the Hamilton Cox Street Redevelopment Project. Photo: TASH FRANKO. Admin WORKS are continuing to progress on the Hamilton Cox Street Redevelopment Project with Powercor and Telstra roadside boring nearing completion. Subscribe or Login to see the rest of the content. Username Password Remember Me Forgot Password