Oh, be completed. Not in my life time.
Since my wife and I are pushing 80, we will probably never see it running.
Our adult children and spouses are in their 50’s, they might see the trains running.
Our grand kids will not because they will not be able to afford to live in California and pay for the train and millions and millions of illegals.
Electric cars riding with contact to a third rail at 100 mph will destroy the bullet train concept