Consultation materials note there will be single-occupancy washrooms accessible from the public areas of the stations with the assistance of a SkyTrain attendant, similar to the existing policy on the SkyTrain network. Two of the busiest stations — Broadway-City Hall Station and Arbutus Station — will be built with accessible washrooms in the fare paid zone in the future. At Broadway-City Hall Station, the Millennium Line extension will share the existing Canada Line street entrance through an expansion. An interconnected series of underground pathways will seamless connect the Canada Line and Millennium Line platforms to support transfers; with the project replacing the 99 B-Line, it is estimated 75% of the Canada Line and Millennium Line passengers at Broadway-City Hall Station will remain underground when they perform their transfer.