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City Tunnel
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Tunnelling

Our experience covers all areas of tunnelling, underground excavation and construction, including roads, rail, water, power and utilities.

As such, CPB Contractors is one of Australia’s leading tunnelling contractors.

Our iconic tunnelling projects include:

  • Sydney Harbour Tunnel
  • Sydney Opera House car park
  • Epping to Chatswood Rail Link
  • Lane Cove Tunnel
  • Brisbane’s Airport Link and Clem 7