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Sydney Harbour Tunnel

Sydney Harbour Tunnel


The Sydney Harbour Tunnel contract was awarded to joint venture partners Transfield and Kumagai Gumi in 1987. This privately financed $750 million tunnel was Australia’s first significant Build Own Operate Transfer (BOOT) project and is possibly Transfield’s most widely known enterprise.

Construction started in 1988 on the 4 lane, 2.3 km tunnel designed to reduce congestion on the Sydney Harbour Bridge.



Transfield Pty Ltd
ABN 80 000 305 813

PO Box R1795 
Royal Exchange NSW 1225

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