The first stage of the M6 comprises four-kilometre twin tunnels between President Avenue at Kogarah and the WestConnex motorway at Arncliffe. The cost of the project blew out by $500 million to $3 ...

The M6 motorway, which was supposed to ease traffic gridlock in Sydney's south by 2025, could be "many years" from completion, the government has admitted. The $3.1 billion project links the M8 at ...