The Australian Government's $100 billion investment program is primarily delivered in partnership with the states and territories. This arrangement is governed through a package of legislation and individual agreements that address how and when projects may be approved, how the scope and costs of projects are developed, and they key requirements and milestones for delivering projects. The key components of this governance arrangement are the National Land Transport Act 2014, the Federal Financial Relations Framework and the National Partnership Agreement on Land Transport Infrastructure Projects, including its attached notes and cost estimation guidance. In this presentation Phil will discuss how these governance arrangements work in practice to ensure the Australian Government's policy objectives are met.