Alstom’s Maidstone Depot: Melbourne Rail Tech & G Class Trams

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Introduction

Alstom has marked the opening of the new Maidstone tram depot in Melbourne and the arrival of the first next-generation G Class Tram, manufactured at its Dandenong site. The Victorian Government awarded a construction alliance led by John Holland Group the contract to build the new Maidstone tram depot in 2023.

Advanced Depot Technology

The Maidstone tram depot incorporates advanced technology for the safety, efficiency, and future readiness of Melbourne’s tram network. It features an Automated vehicle inspection system, a tram scanner that captures precise measurements to ensure safety and performance standards are met in real time. A critical safety system protects workers on maintenance roads by preventing tram movements while personnel are working on or near a tram. Digital monitoring tools provide real-time data on tram health, maintenance schedules, and operational readiness. The depot is energy-efficient, utilizing LED lighting, rainwater harvesting, adaptive reuse, and recycled materials to reduce environmental impact.

Facility Capacity and Design

The facility has 11 maintenance tracks and parking space for approximately 40 trams between passenger runs. It is designed to accommodate an expansion for an additional 20 trams in the future.

G Class Tram Delivery and Testing

The first new G Class test tram was delivered to Maidstone in September 2025. Alstom secured a EUR 700 million contract in 2022 for the supply of 100 Flexity 2 light rail vehicles and 15-year maintenance for the tram fleet. The new trams have started a comprehensive testing program. Following testing, the new trams will be deployed on routes 59, 57, and 82 in the coming years.

Tram Features and Local Content

The new trams have a low-floor design, dedicated mobility spaces, priority seating, hearing loops, improved real-time passenger information, and an energy-efficient design. The manufacturing process in Victoria aims for at least 65% local content, supporting up to 1,900 local jobs in manufacturing, construction, and the supply chain. The Maidstone facility itself will employ over 40 full-time Alstom employees.

Conclusion

The opening of the Maidstone tram depot and the introduction of the new G Class trams represent significant developments in Melbourne’s public transport infrastructure, incorporating advanced technology and sustainable practices.

Company Summary

Alstom: A global leader in the railway industry, providing rolling stock, signaling, and services.

John Holland Group: A construction and infrastructure services company.

Technology

Automated vehicle inspection system: A tram scanner that captures precise measurements as trams pass through.

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