We will see a privately owned and operated HSR line Calgary to Edmonton before we see any Via expansion west of Toronto.
Just fun I looked up prices for Vancouver to Edmonton by plane, train, and a̶u̶t̶o̶m̶o̶b̶i̶l̶e̶ bus on an arbitrary date, prices are lowest available.
Vancouver to Edmonton, July 26th:
Greyhound $99 and 16 hours, 1 transfer, or save $9 and add 6 hours.
Via Rail, no service on the 26th

, for the 27th: $208 and 1 day, 3 hours.
Air Canada $160 and 1 hour, 30min.
Flair Air $50 and 1 hour, 40min, or leave from Abbotsford and pay only $9 including taxes and fees!