Cockburn Central is an employment, activity and transport hub in south-west Perth. The key east–west route through the centre is Armadale Road, and the major north–south link is the Kwinana Freeway. Residential, commercial and retail growth in the Cockburn Central area is increasing the volume of traffic seeking to access the area.
The existing road configuration does not separate traffic getting on and off the Kwinana Freeway from traffic seeking to access Cockburn Central. The busy and congested road network fragments the activity centre, with network impacts that affect the movement and productivity of vehicles, including general traffic, bus network access to the heavy rail connection at Cockburn Central, and freight and emergency response vehicles. As congestion in the region increases in the future, increased travel time and reduced travel-time reliability will have nationally significant impacts on productivity.
Efforts to ease congestion in this area have so far focused on widening Armadale Road. Construction to convert the last remaining single carriageway section of Armadale Road to dual carriageway commenced in 2018. However, widening Armadale Road without creating additional capacity for through traffic accessing the Kwinana Freeway will exacerbate congestion at Cockburn Central.
A new bridge and freeway interchange bypassing traffic around Cockburn Central, in order to provide easier access to the Kwinana Freeway and Armadale Road.
Proponent to identify initiatives and develop options (Stage 2 of Infrastructure Australia’s Assessment Framework).