The station building will have two glass towers suspending a glass-enclosed bridge over the tracks with stairs and elevators descending to the two island platforms.

The station service building will be located at the foot of the ramp.

On the north side of King Street and at the west portal of the King Street West Subway Bridge, there will be another tower with a pedestrian bridge crossing over to the island platforms at their southern end.

The new station platforms will serve the four tracks of the Kitchener line.

[5]: 24:30 During planning, Metrolinx had to take three heritage structures into account:[1]: 20–21 TTC routes that may serve the new station are:[1]: 13