The Victorian government has announced $80 million for a detailed planning study into the long-discussed duplication of Melbourne’s Upfield rail line, but has stopped short of committing funding for the actual construction project.
Premier Ben Carroll said the duplication of the remaining four-kilometre single-track section could cost between $650 million and $1.4 billion, depending on the final scope of works. However, rather than funding construction immediately, the government has pledged to undertake comprehensive planning if it is re-elected at the upcoming state election.
The latest announcement is the newest chapter in a lengthy series of studies and business cases examining upgrades to the Upfield line.
In February 2025, the federal government committed $7.05 million towards developing a business case for upgrades to Melbourne’s northern metropolitan rail network.
The Victorian government’s 2026-27 State Budget also included $3.6 million to complete a final program business case covering potential improvements, including duplicating sections of the Upfield line.
With the new commitment, spending on planning and investigation work for the project has increased significantly, highlighting the government’s continued focus on assessing the proposal before committing to major construction.
Level Crossing Removal Delayed
Transport advocates have welcomed progress toward duplication planning but continue to argue that the Upfield corridor requires urgent upgrades to accommodate population growth and improve service frequency in Melbourne’s north.
Whether the duplication ultimately proceeds will likely depend on the findings of the proposed study, future budget priorities, and the outcome of the state election.



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