Have been taking Amtrak Throughway (Cantrail bus company on behalf of Amtrak) Vancouver, BC, Canada <-> Seattle, WA since the border re-opened in winter 2021/2022.
Have been taking Amtrak Cascades (#517 and #518) direct trains between Vancouver, BC, Canada <-> Olympia, WA since they restarted in late 2022.
Loving Amtrak Cascades.