Introducing two new train lines, the Big Build aims to enhance connectivity and streamline public transport across the state, making commuting more convenient than ever before.
The $14 billion Metro Tunnel has run out of funding set aside for unexpected costs, with builders set to seek more taxpayer cash to finish the city-shaping project.
The government said the two CBD stations have a depth of between 30 and 40 metres and are in busy parts of the city, which were always likely to present challenges.
