Tunnelling on the Sydney Metro West project is approaching 90 per cent completion, following the arrival of two tunnel boring machines (TBMs) at the future Parramatta metro station. The milestone brings the city’s transformative infrastructure project a step closer to delivering fast, frequent and reliable metro services between Greater Parramatta and Sydney’s central business district.
TBM Dorothy broke through a solid rock wall last week to reach the Parramatta site, while TBM Betty…
