On Sunday 30 July Premier Mark McGowan launched TBM Grace to mark the start of tunnelling.
With the first tunnel boring machine launching soon, the project has kicked into full swing.
On Tuesday 27 June Transport Minister Rita Saffioti announced the winners of the TBM competition.
On Sunday 18 June Premier Mark McGowan and Transport Minister Rita Saffioti released artist impressions for Belmont Station and surrounds.
Dewatering involves temporarily lowering the water table to allow soil to be excavated from a work site without it refilling with water. This process will be used in construction of the project's underground station boxes and portals.