What's happening
Stephenson Avenue northbound on ramp opening Friday 3 April 2026
From 7am Friday 3 April 2026, the new northbound on ramp to Mitchell Freeway from Stephenson Avenue will open to road users, which will become the primary northbound access to Mitchell Freeway in the area.
When the new ramp opens the Stephenson Avenue Interchange will be fully operational and set to change the way people move between Stirling and the surrounding areas.
Cedric Street northbound on-ramp temporary closed from Thursday 2 April to mid-2026
Coinciding with the ramp opening, the northbound on-ramp from Cedric Street will be temporarily closed from 9pm Thursday 2 April 2026 until mid-2026 to safely complete ramp widening and intersection upgrade works.
Detours will be in place via the new Stephenson Avenue northbound on ramp or the Karrinyup Road northbound on ramp – view map of new road layout below.
Please pay close attention to the changed traffic conditions, including new signage and line markings and exercise caution when merging onto Mitchell Freeway from the new Stephenson Avenue northbound on ramp.
For more information view our Frequently Asked Questions here.
During the adjustment period, you may need to allow for extra travel time initially while familiarising yourself with the new layout.
What’s next?
Staged traffic changes will continue into mid-2026 to complete finishing works including ongoing pavement construction, shared paths and retaining walls, including:
- The temporary closure of Cedric Street between Ellen Stirling Boulevard and Stephenson Avenue planned for May 2026.
- The full opening of Catspaw Road to Cedric Street.
- New shared path connections and Principal Shared Path infrastructure opening.
- Opening of the new Stirling Station Bus Interchange.
More detailed communications will be provided in the lead up to the changes.
traffic flow
connectivity
capacity