Waterfront Station and Pacific Central Station (Vancouver, BC)

 https://en.wikipedia.org/wiki/Waterfront_station_(Vancouver)

"Waterfront station was built by the Canadian Pacific Railway (CPR) and opened on August 1, 1914.^[2] It was the Pacific terminus for the CPR's transcontinental passenger trains to Montreal, Quebec, and Toronto, Ontario." https://en.wikipedia.org/wiki/Waterfront_station_(Vancouver)#History

https://en.wikipedia.org/wiki/Pacific_Central_Station

"Pacific Central Station was built in 1917 by the Canadian Northern Railway as the terminus of its line to Edmonton.^[4] It was dedicated on November 2, 1919, a day after the first Canadian National trains began using the station.^[5][6] It was originally named False Creek Station..." https://en.wikipedia.org/wiki/Pacific_Central_Station#History

https://jfdatalinks.blogspot.com/search?q=Waterfront+Station+and+Pacific+Central+Station

Should downtown Vancouver eventually require a 3rd major train station?

 https://dailyhive.com/vancouver/downtown-vancouver-train-station-new-railway-line-ideas

Perhaps eventually there could be a deep underground train station below Robson_Square. However, it's more likely that Waterfront+Station+and+Pacific+Central+Station would be extensively upgraded first.

https://en.wikipedia.org/wiki/Robson_Square#Features

https://www.robsonsquare.com/about-us