Nothing against Peterborough and Smiths Falls but...
Peterborough and Smiths Falls??? I know Peterborough has Trent U, but bypassing Kingston and possibly Oshawa appear to be odd choices IMO.
(I know, I know. It's vapor-rail. Unlikely to happen.)
https://www.cbc.ca/news/canada/montreal/toronto-montreal-high-speed-rail-1.7367300