Consortium Secures Rail Contract for Melbourne's Suburban Loop

A collaboration of international companies—Spain's Acciona, Cimic's CPB Contractors, and Italy's Ghella—has secured a substantial $2.4
SRLEImage Source: Acciona


A collaboration of international companies—Spain's Acciona, Cimic's CPB Contractors, and Italy's Ghella—has secured a substantial $2.4 billion contract for tunnelling in Melbourne's Suburban Rail Loop (SRL) East project. This 16km stretch encompasses twin tunnels and underground stations, forming part of a 90km network aiming to connect Melbourne comprehensively by 2035.



Melbourne, a bustling metropolis, is set to undergo a transformative phase with the recent signing of a colossal $2.4 billion contract for the Suburban Rail Loop (SRL) East project. Spearheaded by a dynamic collaboration involving Acciona from Spain, Cimic's CPB Contractors, and Italy's Ghella, this venture marks a pivotal step in the city's infrastructural evolution. The consortium, known as the Suburban Connect, is entrusted with the creation of a 16km segment, encompassing intricate twin tunnels and subterranean station boxes.

This ambitious endeavor is poised to revamp Melbourne's transit landscape comprehensively. With an overarching vision to interconnect every major train service with the Melbourne Airport, the project aims to augment the city's accessibility to pivotal destinations, including employment hubs, educational institutions, healthcare facilities, and more. Such an integrated transport system not only fosters convenience but also nurtures economic growth and communal cohesion, as articulated by the Victorian government on their official platform.

Juan Santamaria, the esteemed executive chairman of Cimic Group, expressed profound contentment in being selected by the Victorian government for this monumental construction. Emphasizing the transformative potential of this infrastructure, Santamaria foresees a substantial enhancement in the lives of Melbourne's denizens, particularly those across the eastern and southeastern fringes of the city.

Jason Spears, the adept managing director of CPB Contractors, echoed sentiments of commitment and collaboration. He reiterated the consortium's dedication to fostering a symbiotic relationship with the Victorian government and the Suburban Rail Loop Authority. Such cooperation is envisioned to usher in multifaceted benefits for local communities and enterprises, encapsulating social upliftment, employment opportunities, skill enhancement, and sustainable practices.

Although the initiation of major tunnelling operations is earmarked for 2026, the complete realization of the Suburban Rail Loop remains on the horizon, slated for full operation by 2035. Additionally, the anticipation of a subsequent contract, governing the tunnels between Glen Waverley and Box Hill, amplifies the scope and magnitude of this transformative project.


Melbourne's Suburban Rail Loop project, fueled by international collaboration, heralds a new era of connectivity and accessibility for the vibrant city. As this colossal venture progresses, it promises not just improved transportation but also economic, social, and environmental benefits. The envisioned transformation underscores the immense potential to redefine Melbourne's urban landscape, ushering in an era of comprehensive connectivity and progress.

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