>There is no forces that would change this when applied to trains. I'm not sure how successful it's been, but this article[1] for Deutsche Bahn's "ICE" first c

>There is no forces that would change this when applied to trains. I'm not sure how successful it's been, but this article[1] for Deutsche Bahn's "ICE" first class makes it look attractive to me. I think because space isn't as much a premium, the upcharge for first class on a train can be a much smaller jump than the economy -> first class jump on a plane. [1] https://onemileatatime.com/deutsche-bahn-ice-first-class-review/ https://onemileatatime.com/deutsche-bahn-ice-first-class-rev...