Commercial-Broadway Station has been going through extensive upgrades. From the Translink Website:

• new east platform serving westbound Expo Line trains
• new pedestrian walkway over Broadway, connecting the platform to the Millennium Line platforms and the westbound 99 B-Line stop
• permanent queuing system and bus shelter for the 99 B-Line stop.
• widening of the walkway that provides access to the north station platforms (Platforms 1 and 2)
• two new elevators
• four new up and down escalators
• expanded Broadway concourse
• widened Broadway entrances to the Broadway Station
• new retail spaces in Broadway Station
• replacement of mesh panels with glazed panels at platform level
• new lighting design to respond to specific conditions in the station
• fare gate and Compass Card implementation
• new bike storage room that will accommodate 70+ bikes