[2] The project also includes a new maintenance and stabling facility in Maidstone, where the trams will be stored following construction.

The initial contract is for 100 new trams, which is the largest domestic order in Australian history,[3] and includes the requirement for Alstom to maintain the vehicles for 15 years.

[7] In the 2020–2021 Victorian Budget, the Andrews Government committed $1.48 billion to the project, including a new maintenance and stabling facility, later announced to be built in Maidstone, near Highpoint Shopping Centre.

[8] Alstom and a joint venture comprising UGL Rail and CAF were shortlisted to design and build the new trams.

[9] In April 2022, the government awarded the contract to Alstom, and announced further details about the Next Generation trams.

The tram will be customised to Melbourne's network and will include 65% locally made content.

[18] The G-Class will be low-floor and will include additional doors for users of wheelchairs and mobility scooters.