Comment by LargoLasskhyfv

> Maybe in parallel you could also: improve the trackways between San Francisco and San Jose

They did, sort of, but not to HSR, just by electrification.

https://www.caltrain.com/testing

https://www.caltrain.com/?active_tab=route_map_tab&center=-1...

https://www.kron4.com/news/bay-area/caltrains-switch-to-elec...

https://airqualitynews.com/cars-freight-transport/electrific...

https://pubs.acs.org/doi/10.1021/acs.estlett.4c01096

https://www.mercurynews.com/2025/04/07/caltrain-ridership-in...