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Legislative Council - Fifty-Fifth Parliament, First Session (55-1)
2025-10-28 Daily Xml
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South Eastern Freeway Rockfall Risks

The Hon. J.S. LEE (14:44): I seek leave to make a brief explanation before asking a question of the Minister for Infrastructure and Transport regarding hazardous rockfall risks on the South Eastern Freeway.

Leave granted.

The Hon. J.S. LEE: The Department for Infrastructure and Transport has identified 14 slopes along the South Eastern Freeway as hazardous, following a risk assessment conducted over a 78-kilometre stretch. Despite all 14 slopes receiving the same risk rating, only three sites—at Leawood Gardens, St Ives and Callington—will receive remediation works due to budget constraints. The remaining 11 hazardous slopes, including two near Summit Road bridge at Mount Barker Summit, will not be treated at this stage. The department has not disclosed the locations of the other nine hazardous sites, and the total budget allocated for the works remains unclear. My questions to the minister are:

1. Why has the department chosen to remediate only three of the 14 hazardous slopes identified, despite them all receiving the same risk rating?

2. What is the total budget allocated for rockfall mitigation works on the South Eastern Freeway, and will additional funding be sought to address the remaining hazardous sites?

3. Can the minister confirm the locations of the remaining nine hazardous slopes, and whether any of those pose a risk to high traffic or residential areas?

The Hon. E.S. BOURKE (Minister for Infrastructure and Transport, Minister for Autism) (14:46): I thank the honourable member for her question. I am advised by the Department for Infrastructure and Transport, which undertakes slope stability assessments as part of their routine inspection program and ensures our road networks remain safe for all motorists, that slope remediation works are prioritised using a nationally recognised risk assessment model. I am further advised of 109 rock slopes assessed along the South Eastern Freeway. Three priority slopes between Mount Osmond and about five kilometres east of Callington were identified. I understand remediation works are planned at these three locations as part of the 2025-26 budget.

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