“Edens said history will repeat itself: The United States will have its first high-speed rail system just before it hosts its next Olympics — the 2028 Summer Games in Los Angeles. Brightline West’s target date coincides with start of the Games.
“I think one [system] will quickly turn to two or three or four. I really believe that over the course of the next 20 to 30 years, you can see dozens of high-speed rails built in the United States.”
https://www.washingtonpost.com/transportation/2023/08/30/amtrak-brightline-high-speed-rail/