The line is primarily a single track operation (which it has been since the initial segment first opened in 2001). However, there are now more passing tracks to allow for more trains and a slightly higher frequency. The next logical step would be to double track the full length.

Great article and overview of the potential Reece. Thanks for putting that together. In reference to the map, our interactive map.railfans.ca does show the currently planned Stage 3 (via the Map Legend options). We recently went in-depth on the plans in youtu.be/jiOJCViey1k and youtu.be/QMFheMkJ55g