Hello, I'm an American visiting Switzerland later this month. I'll be there for nine different calendar days and will be buying the 8-day Swiss Travel Pass to cover all my transportation costs... this means that on either my arrival day or my departure day, I'll have to pay for trainfare out of pocket since the pass will be one day short of covering my entire stay.
What I'm trying to figure out is whether or not the Swiss Travel Pass would cover my departure journey from Zurich to Innsbruck, or if it is only valid for intra-Swiss travel. The train in question would be EC163 on a Friday. If my 8-day STP does not cover that fare, then I will know to activate the pass on my arrival day instead, and plan to pay for my EC163 fare out of pocket.