The Caltrain, which is important for Silicon Valley and San Francisco, is equipped for the future. Commuting IT staff will experience significant improvements. Battery-powered trains are also planned.https://www.notebookcheck.net/Caltrain-Silicon-Valley-now-has-a-real-electric-train.826934.0.html
If they manage to make it go at 124 mph or more, the US will surpass Uzbekistan on high-speed train rail length (unless Uzbekistan installs more before the US manages to get more high-speed trains up and running).
https://en.wikipedia.org/wiki/List_of_high-speed_railway_lines