Woy Woy Tunnel, Railway tunnel in New South Wales, Australia.
The Woy Woy Tunnel extends for 1.69 kilometers through solid rock, featuring brick portals and a horseshoe-shaped design along the Main Northern railway line.
Constructed between 1884 and 1888, this tunnel marked a significant advancement in Australian railway infrastructure as the longest railway tunnel upon its completion.
The tunnel represents the determination of 300 workers who utilized dynamite and rock drills to create this essential transportation connection between Sydney and Newcastle.
The tunnel maintains a gradient of 1 in 150 and accommodates double track service, enabling efficient train passage through the challenging terrain.
Archaeological remains of worker camps near the Mullet Creek portal provide evidence of nineteenth-century construction methods and living conditions.
Location: New South Wales
GPS coordinates: -33.49095,151.28220
Latest update: September 24, 2025 10:23
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