Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts

Documents Relating To The Mitchell Freeway South Freeway Expansion.

Document FOI 25-412 (15.93 MB) Released 167 pages PDF

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This September 2020 project proposal report from Main Roads Western Australia addresses congestion and safety issues on the Mitchell Freeway between Hodges Drive and Hepburn Avenue (8.8km section). The document identifies poor peak-hour traffic performance, with speeds dropping to 37 km/h at 7:15am compared to the 100 km/h speed limit, and maximum additional travel delays of 5.7 minutes. It notes 343 crashes between 2014-2018 with estimated costs exceeding $12 million, and higher-than-average commercial freight traffic at 6.6 percent. A critical bottleneck occurs where three lanes merge to two lanes near Hodges Drive, creating congestion from traffic entering the freeway. The report proposes widening this section to address capacity constraints, productivity impacts on Perth's economy, and documented safety concerns affecting the metropolitan road network.

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