Contractor warned to ‘step up’ and finish Sydney’s maligned M6 motorway or face the consequences

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Mar 10, 2026 - 05:45

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Contractor warned to ‘step up’ and finish Sydney’s maligned M6 motorway or face the consequences

Twin tunnels should be open but lead contractor wants out, blaming sinkholes and a ‘reverse fault’. The NSW government insists ‘there is a technical solution available’

Two years after large sinkholes opened above the construction of a $3.1bn Sydney motorway tunnel, the consortium charged with the project’s completion has been issued a notice forcing it to continue the job or face possible legal consequences.

The New South Wales roads minister, Jenny Aitchison, said contractor CGU had on Monday been issued a “notice of default”, forcing it to recommence work on the 90% complete M6 tunnel by 1 May. Continue reading...