Tunnelling to restart on Sydney motorway, two years after sinkholes halt work
Construction on the final section of Sydney's $3.2 billion M6 motorway is set to resume following an agreement between contractors and the New South Wales government. Tunnelling was halted in March 2024 due to sinkholes, with completion now expected by 2029, four years later than initially planned.
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Published 18 Jun 2026, 19:00 UTC · Updated 18 Jun 2026, 19:10 UTC
Summary by OZbrief Editorial. Original report: SMH. Editorial policy · Corrections
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