It really sounds too much like the California bullet rail that was supposed to be a huge moneymaker and now sounds like it will never be completed.
Here’s what they should do - build a hyperloop connecting Buffalo, Erie and Pittsburgh first. If it is successful and proves to be an economic boon, then build Phase 2, connecting the first loop to the Pittsburgh-Cleveland-Chicago hyperloop.
First prove the technology works on a smaller scale, then you can build the bigger, costlier one.
That is exactly what he is doing. He has tunnel boring and transportation projects either planned, in discussion or underway in Los Angeles (Hawthorne, the westside LA area, and the "Dugout Loop" to the LA Dodgers stadium), Baltimore - Washington, Chicago (O'Hare), Las Vegas, San Jose and China.