GRAHAM FARMER FREEWAY TUNNEL

Perth, Western Australia, Australia

The Graham Farmer Freeway Tunnel project provides a link between the Great Eastern Highway and Mitchell Freeway, improving traffic flow between the east/south-east and the northern suburbs.

Stage One, the major section of the project, comprised works from the west side of the Swan River through to the Mitchell Freeway connection. The main feature of Stage One is a one mile, six-lane tunnel through Northbridge, the entertainment heart of Perth. Exhibit 4.21 shows the tunnel portals of the Graham Farmer Freeway.

Exhibit 4.21 Graham Farmer Freeway Tunnel Portals in Perth

Source: Maunsell of Australia, 2005

Baulderstone Hornibrook in joint venture with Clough Engineering constructed Stage One of Perth's City Northern Bypass Project, now known as the Graham Farmer Freeway. The Joint Venture are also operating and maintaining the tunnel for a period of ten years under a contract with Main roads western Australia.

Issues/Results: Stage 3, the interchange road works at Great Eastern Highway, was also constructed by Baulderstone Hornibrook under a separate contract. The whole project covered 4 miles, cost A$340million, and was officially opened in April 2000.