I'm not sure if "High Speed Buses" would work. Even if they are possible, I don't believe California could do it.

It looks like the politicians in California get their ideas from The Onion.

https://abc7news.com/post/caltrans-considering-high-speed-bus-would-take-passengers-san-francisco-los-angeles-state-freeways-heres-look/19140657/

https://secretlosangeles.com/california-140-mph-bullet-buses-la-sf/