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’Follow our Australia news live blog for latest updatesGet our breaking news email, free app or daily news podcastTwo years...

<p>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’</p><ul><li><p><a href="https://www.theguardian.com/australia-news/live/2026/mar/10/iran-football-team-tony-burke-anthony-albanese-labor-angus-taylor-coalition-oil-price-inflation-federal-parliament-ntwnfb">Follow our Australia news live blog for latest updates</a></p></li><li><p>Get our <a href="https://www.theguardian.com/email-newsletters?CMP=cvau_sfl">breaking news email</a>, <a href="https://app.adjust.com/w4u7jx3">free app</a> or <a href="https://www.theguardian.com/australia-news/series/full-story?CMP=cvau_sfl">daily news podcast</a></p></li></ul><p>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.</p><p>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.</p> <a href="https://www.theguardian.com/australia-news/2026/mar/10/sydney-m6-motorway-tunnel-contractor-warned">Continue reading...</a>
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