After 17 months, Dorothy worms her way into giant hole for Parramatta metro station

After 17 months, Dorothy worms her way into giant hole for Parramatta metro station

The breakthrough completes a section of twin rail tunnels between Olympic Park and Parramatta which will eventually form Sydney’s largest metro rail line.

Metro TBMs breaks through to Parramatta - Infrastructure Magazine

The Parramatta station box. Image: Transport for NSW. Two tunnel boring machines (TBM) have broken through at the Parramatta station box, officially connecting the suburb to the Sydney CBD after 17 months of work.   This marks 90 per cent completion of all tunnelling on the Sydney Metro West project and comes after a double breakthrough at Pyrmont at the eastern end of the line.  Sydney Metro West will transform the Parramatta city centre into a…

Metro tunnel breaks through at Parramatta

The Parramatta station box. Image: Transport for NSW.  After 17 months of work, two tunnel boring machines (TBM) have broken through at Parramatta, officially connecting the suburb with the Sydney CBD.   TBMs Betty and Dorothy have been grinding through solid rock from Sydney Olympic Park to arrive in the Parramatta station box.   This marks 90 per cent completion of all tunnelling on the Sydney Metro West project and comes after a double breakt…

Sydney Metro West marks another major milestone

The team celebrating their progress at Parramatta. Image: NSW GovernmentThe Sydney Metro West project has reached a major milestone with the arrival of two tunnel boring machines (TBMs) at Parramatta’s metro station site.  Tunnelling is now 90 per cent complete on the project, which will connect Greater Parramatta to Sydney’s CB via a new 24-kilometre underground metro railway. TBM Dorothy is at Parramatta after breaking through a solid rock wal…