It’s not a matter of capability, they just decided not to. They don’t own the rails, so they don’t have to maintain or repair them. I believe that CSX owns that

It’s not a matter of capability, they just decided not to. They don’t own the rails, so they don’t have to maintain or repair them. I believe that CSX owns that line, and they repaired it in 2004. Amtrack could have restarted that service any time they wanted to.