Having grown up close to SC, there was some discussion back in the 80’s & 90’s about it, but from what I can recall, the existing rail lines in nearby Bellefonte would not be able to handle the load of Amtrak. It’s a historic railroad, and is rarely used. To lay new tracks to SC, along with the work to cut through or over the mountains to Tyrone, were/are costly. Would love to see it happen, though!