FACTS AND FIGURES

 The CLEM7 tunnel

  • The CLEM7 connects to Lutwyche Road, Inner City Bypass, Shafston Avenue, Ipswich Road, Pacific Motorway and the Airport Link (opening 2012).
  • The tollway is monitored 24 hours a day, 7 days a week by the Tollway Control Centre
  • There are 2 traffic lanes in each direction
  • The tollway is 6.8km in length
  • The tunnel is 4.8km in length
  • The lowest point the tunnel is 60m below the Brisbane River

  Construction of the CLEM7

  • Over 11,000 people have worked on the project
  • The CLEM7 was excavated using Roadheader machines and 2 Tunnel Boring Machines (TBMs) which were 12.4m in diameter, over 250m long and weighed 4,000 tonnes.
  • It took 22 people to operate these machines where they progressed up to 20m a day using 78 tungsten carbide tipped 19 inch disc cutters

 Major milestones

Environmental Impact Statement issued  February 2005
Contract awarded to RiverCity Motorway  April 2006
RiverCity Motorway admitted to the official list of the ASX  August 2006

Site establishment and tunnel preparation

September 2006
Start of Roadheader tunneling February 2007
Start of TBM 1 (nicknamed Matilda) December 2007
Start of TBM 2 (nicknamed Florence) March 2008
TBMs progress underneath Brisbane River September 2008
Both TBMs breakthrough at Kangaroo Point January 2009
Completion of tunneling May 2009
Tollway Control Centre goes live December 2009