https://dailyhive.com/vancouver/skytrain-canada-line-capstan-station-spring-2024-service
An entire section of the line has to close early, due to a new station being added. If or whenever all the stations are lengthened, the entire system might have to close early.
Fortunately, all the underground stations in Toronto & Montreal & even Edmonton, were built to be much longer, in the first place. Fortunately, any new underground C-Train stations in Calgary won't be Vancouverized. They will be as long as any underground LRT station in Edmonton.
The biggest mistake for the Skytrain was not building 152 m or 500 ft long stations. Then as longer trains are required, the longer stations would already exist.
The 3rd line or the Canada+Line, is such a fine example of BC congestive planning. Why bother to have long big city trains? https://dailyhive.com/vancouver/canada-line-skytrain
Aparenty, short trains help to match the many narrow bridges in BC. Of course narrow bridges make it tougher to have bus & HOV lanes.
"The five busiest stations have platforms 50 metres (160 ft) long, while the rest of the stations have 40-metre (130 ft) platforms that can be easily extended to 50 metres." https://en.wikipedia.org/wiki/Canada_Line#Stations
https://dailyhive.com/vancouver/skytrain-canada-line-rebuilding
https://dailyhive.com/vancouver/north-shore-burrard-innlet-rapid-transit-brt-translink
Greater_Vancouver has been stunted or thwarted for several decades, in so many ways.
https://jfdatalinks.blogspot.com/search?q=SkyTrain-Canada+Line