This is the ninth instance of the partial-national pattern in this database, and the first one where the regulator was nationalised and the standards were not — the reverse of every other case here.

ONRSR accredits the operator under the Rail Safety National Law, applying identically everywhere, with a single six-month statutory clock. That half was done in 2013 and it works. But accreditation answers whether an operator is competent to manage safety risk. It does not answer whether a particular vehicle may run on a particular network. That is settled between the operator and each rail infrastructure manager, against that manager's own interface standards.

Melbourne to Brisbane is not one network: the interstate main line is ARTC and each capital's approaches are state-owned. So the same vehicle, the same test reports and the same operator go through it four times.

The National Transport Commission states the consequence without qualification: in Australia it can take less time to build a train than it does to get it approved to run across the country, which creates significant barriers to investment. The approval process alone models at 540 days — and that excludes building the thing.

Compare what has already been conceded for people. Under automatic mutual recognition, an electrician licensed in Victoria may work in Queensland without reapplying, because Queensland accepts Victoria's assessment. This site has argued for finishing that scheme elsewhere. The same logic applies with more force to rolling stock, where the subject of the assessment is an inanimate object with published specifications and no local variation at all.

What should change. A vehicle accepted onto the National Network for Interoperability is accepted by every manager on that network, unless a manager identifies a specific, stated incompatibility with its own infrastructure within a fixed period. The burden moves from the operator proving compliance four times to the manager naming the difference once.

And it is already being built. The NTC has three reforms running — safety assurance guidance clarifying who certifies what, identification of common interface standards to harmonise, and a single application form for freight — and Stage 3 in 2029-2030 develops a mandatory national standard for rolling stock approvals, deliberately a process standard rather than a prescriptive technical one. The NTC estimates the industry saving at tens of millions of dollars a year. This entry is a proposal for the endpoint of work that is genuinely under way; see This is what harmonisation actually costs when someone genuinely does it on what that costs in time.