Just updated the Wikipedia article with the new map, so here's where we're at now:
I still have it as "planned" 2024 cause I have no idea. Might open from Trans-Canada down to Old Banff Coach Road first, then the final bit from OBCR down to Glenmore will be 2024. Should become clearer fairly soon, either way I made all these maps years ago and have one for either scenario.