The factional conveners met Sunday night and delivered their verdict: Jacinta Allan lacks the numbers. By Tuesday, the Victorian Premier may face a leadership spill that would make her the shortest-serving head of government in the state's modern history. Her tenure is measured in billions of dollars of infrastructure cost blowouts and collapsing public trust, not achievements.

Allan's likeability rating stands at minus 36, her equal lowest result on record. Opposition Leader Jess Wilson leads as preferred premier 43% to 24% (Source: Resolve Political Monitor polling data). Labor's primary vote has fallen to 27%, tied with the Coalition, while One Nation polls 21%. The fragmentation threatens to deliver the Andrews government's successor to electoral oblivion on November 28.

The immediate crisis is political. The underlying condition is structural.

Victoria's "Big Build," the signature infrastructure program Allan championed as Daniel Andrews' transport minister and continued as Premier, has become a case study in how mega-project governance overwhelms accountability mechanisms designed for smaller-scale operations.

The Victorian Auditor-General's Office reported net cost blowouts of $11.7 billion in major projects over the past year, with total estimated investment now at $145.5 billion (Source: Victorian Auditor-General's Office, "Major Projects Performance Reporting 2025"). This follows years of billion-dollar overruns. The Auditor-General noted "limitations in public reporting on major projects' performance against expected cost, time, scope and benefits." The translation: Victorians cannot know what they are getting for their money (Source: Victorian Auditor-General's Office, "Major Projects Performance Reporting 2024").

The Public Accounts and Estimates Committee recorded that the five major Big Build projects all met their target of "100%" for "milestones delivered in accordance with agreed budget and timelines" (Source: Public Accounts and Estimates Committee, "Financial and Performance Outcomes 2023-24"). The metric survives only because targets are self-defined and self-reported. The Suburban Rail Loop alone anticipates $30-34 billion in investment, funded through state borrowings, Commonwealth grants, and "value capture" (revenue projections remain speculative).

Corruption has compounded the governance failure. Leaked Fair Work Commission documents show Victorian officials estimated a "30% CFMEU premium on sites" due to union wrongdoing. One senior public servant said removal of the national construction code was "like switching off the electric fence" (Source: The Age/SMH, "Big Build, CFMEU corruption claims"). These warnings date to early 2023. Allan was not yet Premier. She was transport minister, responsible for delivering the Big Build.

The Victorian Infrastructure Delivery Authority faces its own integrity crisis. A whistleblower complaint to IBAC alleged "gross negligence and lack of care with the use of public money," including a consultant paid over $850,000 for a project that failed to deliver (Source: The Age/SMH, "Big Build, CFMEU corruption claims").

Allan's parliamentary record shows her commitment to the program's original purpose. In August 2023, she declared: "At the heart of the Andrews Labor government's Big Build is transport equity and providing affordable public transport connections" (Source: Parliament of Victoria Hansard). Eighty-seven level crossings have been removed since 2014. Twenty-three remain. But delivery has eclipsed design. The political dividend that infrastructure investment once promised, visible, tangible progress voters could touch, has inverted. The Big Build now signifies opacity, cost, and compromised integrity.

The leadership mechanics are stark. Victorian Labor rules require a simple majority of caucus to spill; if contested, a ballot goes to party membership for a weeks-long process that would consume the remaining campaign window (Source: ABC News, "How Victorian Labor's leadership challenge could play out"). Deputy Premier Ben Carroll has emerged as the probable successor. No challenger can unwind commitments made, contracts signed, billions borrowed.

The Big Build model, massive concentrated investment, delivery through arm's-length authorities, political credit claimed for announcements while operational responsibility is diffused, has been exported across Australian jurisdictions. Victoria's experience suggests the accountability architecture has not kept pace with the scale of ambition. When the Auditor-General reports limitations in public reporting, when parliamentary committees record perfect milestone achievement against self-defined targets, when whistleblowers allege $850,000 for failed consultancy work, the system signals its own incapacity to manage what it has promised.

The November election will test whether voters distinguish between the program and its stewardship, or whether infrastructure itself has become toxic. The 30% CFMEU premium, if accurate, prices lawlessness into public works. The $11.7 billion annual blowout suggests systemic misestimation, not project-specific misfortune. The leadership challenge is an attempt to find someone who can persuade voters that the next billion will be different.

Allan took office in September 2023 with 87 level crossings down and a transport equity agenda intact. She may leave with 23 still to go and her party's primary vote matching One Nation's. The Big Build continues. The buildings do not speak for themselves.