Western Harbour Tunnel

The 168th longest tunnel in the world

6.5 km · Length

The Western Harbour Tunnel is a tunnel under construction in Sydney, New South Wales, Australia. The six lane, 6.5-kilometre (4.0 mi) twin tunnels will run from Cammeray to Rozelle, passing beneath Sydney Harbour. It is scheduled for completion in 2028. The tunnel will form part of the M8 Motorway when it opens. It is expected to cost $14 billion.

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Tunnel data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).

Other tunnels in Australia

Delaware Aqueduct United States · 137 km Päijänne Water Tunnel Finland · 120 km Orange–Fish River Tunnel South Africa · 82.8 km Ishikawa Tunnel Japan · 78.5 km Brenner Base Tunnel Austria · 64 km Mont d'Ambin base tunnel France · 57.5 km Gotthard Base Tunnel Switzerland · 57.09 km Hong Kong–Zhuhai–Macau Bridge China · 55 km