European like train systems are now impossible here for a variety of reasons. Rail usage died for a reason. American sense of independence lead to a culture or personal car ownership driven by the idea that you can go wherever, whenever.
For distances too impractical to drive, airline tickets became affordable.

The existing rail lines were taken over by freight and those unused fell to disrepair.

And, our private property laws make it very difficult for governments or rail companies to acquire the land necessary to build new rails. We don't have the ability to build the rail lines necessary to establish widespread service like the Eurail.