What total investment did Victoria estimate for the West Gate Tunnel Project in 2025?
Melbourne's West Gate Tunnel Project combines twin road tunnels beneath Yarraville with an elevated road, a widened West Gate Freeway and associated cycling and public-space works. Victoria's 2025–26 State Capital Program placed total estimated investment at A$10.2 billion. This is the whole project estimate at that reporting date, not a tunnel-only contract or final audited cost.
Published project estimate
AUD 10.2 billion
Approximately $6.57 billion
Cost basis: 2025
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Cost evidence
Basis of the published figure
Published project estimate2025