Ian Robertson says starting immediately, passengers travelling between Kamloops and Calgary or Banff will be taken by bus.
He says the company is hoping for a quick end to any CP strike.
Meantime, Tuesday was the 11-month anniversary of the beginning of a strike by Rocky Mountaineer's own on-board attendants.
Robertson says the dispute with the Teamsters Union is still at an impasse, and a conciliator is trying to get the two sides together. (CFJC)