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 updates Get our breaking news email, free app or daily news podcast 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 ...

By Daisy Dumas