The business case for the project tested the merits of the investment based on a broader assessment of Melbourne's transport needs, changing travel patterns and the evolving structure of the city.

It identified the problems facing the city's transport network and the benefits of addressing these problems, with a focus on cross-city orbital connectivity and capacity constraints.

Read the key findings (PDF, 5.5 MB)

Main document


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Due to commercial sensitivity, some content within the business case has been partially or fully redacted.