This article, published by Oregon Public Broadcasting, quotes Discovery Institute Fellow Bruce Agnew:
Bruce Agnew: “To go faster than that, you have to put more grade separation, overpasses and underpasses into the system. And we’re not there yet. We’re hoping to get about a billion dollars in federal funding which would allow us to go beyond 79 miles per hour and more importantly add more train service.
The rest of the article can be found here.