With Biden's campaign talking about big plans for rail, here's a map that Amtrak is circulating with ambitious but realistic expansions over the next 15 years. The railroad says this would cost $25 billion
Existing network in black, new corridors in colors
And here's a list of the dozens of new or expanded corridors Amtrak is considering
Here's the presentation this came from, given by Amtrak's Ray Lang to the Rail Passengers Association