The alliance responsible for the Tonkin Gap Project has advised a PSP is now open that connects to the Great Eastern Highway underpass and new Selby Park footbridges.
The map below reflects the current situation. The red line shows the path along Tonkin Hwy is still closed for works.

More information:
Visit: facebook.com/groups/tonkingap
T: 138 138
W: www.mainroads.wa.gov.au