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 |

