There is a bit of confusion here as this forum is for the Prairies and Pacific coast of Canada. Not to say one of our resourceful members in B.C. won't have the information you are looking for. Do any British Columbia train buffs have frequencies for this line?
Noted tks .. new to this forum and was initially directed here in error by the website admin. I have since cross-posted to the WA state site as well. Regards, Perry