Interesting enough the new version of the Acela trains in the Northeast will not have to be built to those freight train standards. On of the reasons is that th

Interesting enough the new version of the Acela trains in the Northeast will not have to be built to those freight train standards. On of the reasons is that the tracks are not generally shared with freight trains in the Northeast corridor. Some details in this article: https://www.wsj.com/articles/will-new-train-guidelines-improve-speeds-not-so-fast-11547209980 https://www.wsj.com/articles/will-new-train-guidelines-impro...