Sydney Metro Commences Revenue Operations on Landmark 15.5-Kilometre Harbour Tunnel and City Extension to Sydenham

Generational Sub-Harbour Rail Link Permanently Transforms Sydney Commuting

SYDNEY, New South Wales — Heralding the largest transformation in Australian public transportation since the completion of the Sydney Harbour Bridge in 1932, the Government of New South Wales and Sydney Metro have officially commenced full commercial revenue passenger operations on the landmark 15.5-kilometre City section of the M1 Northwest & Bankstown Line. The multi-billion-dollar subterranean engineering marvel carries commuters deep beneath the seabed of Sydney Harbour, linking the northern commercial center of Chatswood directly through the central business district to Sydenham in just 22 minutes.

Operating Australia’s premier fully automated, driverless rapid transit technology, the City extension delivers unprecedented transit capacity, engineered to move up to 34,000 passengers per hour in each direction. By establishing an independent subterranean trunk line, the system directly bypasses the congested surface rail bottleneck over the Harbour Bridge, transforming mobility for millions of residents across Greater Sydney.

Six Landmark Subterranean Stations Showcase World-Class Architecture

The City alignment introduces six architecturally striking, deep-cavern underground stations designed by premier international architectural firms:

• Crows Nest Station: Anchors the lower North Shore commercial precinct with multiple street-level entrances, level-boarding platforms, and integrated retail concourses.
• Victoria Cross Station: Plunging 31 metres beneath North Sydney, this monumental subterranean cavern features Australia’s longest single-span escalators and step-free access to major commercial office towers.
• Barangaroo Station: Situated along the western maritime waterfront, providing high-speed transit access to the Barangaroo financial district, Crown Sydney, and the Barangaroo Ferry Wharf.
• Martin Place Station: A multi-level transit cathedral integrating heritage banking architecture with expansive underground pedestrian arcades connecting the T4 Eastern Suburbs rail line.
• Gadigal Station: Positioned in the heart of Sydney's shopping district near Town Hall, named in consultation with the Metropolitan Local Aboriginal Land Council to honor the traditional custodians of the land.
• Central Station (Metro Platforms): Massive new underground platforms carved 27 metres below historic Platforms 12–15, linked to the surface by the sweeping Central Chalmers Street concourse.

Fully Automated Driverless Technology and Sub-Harbour Engineering

Excavating the alignment required extraordinary civil engineering precision. Five specialized Tunnel Boring Machines (TBMs) carved twin 15.5-kilometre tunnels through hard Hawkesbury sandstone and soft marine sediments under Sydney Harbour without interrupting maritime shipping or surface vehicular traffic.

Commercial services are operated by a bespoke fleet of Alstom Metropolis driverless trainsets governed by Grade of Automation 4 (GoA4) Communications-Based Train Control (CBTC) digital signaling. The automated trains operate at high peak frequencies of four minutes—scalable down to two-minute intervals—and feature full-height glass platform screen doors that synchronize seamlessly with train doors to optimize climate control and eliminate platform fall risks.

Rapid Journey Times and Multi-Modal Transit Integration

The opening delivers astonishing travel-time reductions across Sydney's primary commuter corridors. Passengers travel from Victoria Cross in North Sydney to Barangaroo beneath Sydney Harbour in just 3 minutes, from Martin Place to Central in 4 minutes, and from Chatswood to Sydenham in 22 minutes.

Powered by 100 percent renewable electricity sourced through long-term power purchase agreements, the Sydney Metro City line establishes an enduring benchmark for zero-emission mass transit, redefining Australia's largest global city for the 21st century.