How much did Metro Tunnel cost to build?
The Metro Tunnel is Melbourne's twin 9 km rail tunnel with five new underground stations, delivered by the Victorian Infrastructure Delivery Authority as part of the Victorian Government's Big Build, with initial works from 15 January 2017 and passenger service from 30 November 2025. ABC News reported in September 2024 that the budget blew out by AUD 837 million to a new total cost of AUD 13.48 billion, while Wikipedia says the project was built for an estimated AUD 12.8 billion.
Published project estimate
AUD 13.48 billion
Approximately $8.9 billion
Cost basis: 2024
Cost evidence
Basis of the published figure
Project metrics
Key dimensions
- Total lengthabc.net.au
- 9,000 m
Project record