"An ultimate system design capacity of 15,000 pphpd can be achieved when all station platform lengths are extended from 40 metres to 50 metres to accommodate a three-car-long train. The station platforms can only reach a maximum length of 50 metres due to the design of the system.
In contrast, the Expo Line currently has peak period traffic flows of over 15,000 pphpd and its ultimate design capacity is at least 25,000 pphpd with additional trains." https://dailyhive.com/vancouver/new-canada-line-trains-design-2020
https://dailyhive.com/vancouver/canada-line-new-trains-model-rotem-2020
https://dailyhive.com/vancouver/canada-line-downtown-vancouver-stations-escalators