Congestion is projected to worsen on the corridors connecting Murdoch and Cockburn Central to Fremantle, due to population growth, urban infill and high car-dependency for journeys to work, education and recreation.
In the north, South Street connects Fremantle and Murdoch, which are two major growth precincts within Metropolitan Perth. The South Street corridor is already congested and has relatively uncompetitive public transport options. Along the north-south and western axis, Hampton Road, Rockingham Road, North Lake Road and Beeliar Drive are important transit corridors with growing congestion.
In 2017, network analysis from the WA Government indicated that South Street had the second highest congestion costs per road-kilometre in Perth. These problems are expected to worsen over time with development in southern Perth. The Murdoch Activity Centre is projected to grow to be the largest employment centre outside of the Perth CBD with 35,000 workers, 44,000 students and 22,000 residents by 2031.
Traffic grew on the North Lake Road corridor by over 20% in the 3 years to 2021. In the next 10 years, congestion is expected to significantly increase at Cockburn Central, even with committed infrastructure works such as the Armadale Road Bridge and the