or just do any of the many examples that the rest of the world is successful with. HSR in America isn't actually High speed rail anyways

Amtrak's Acela is the United States' only true high-speed rail service, reaching 150 mph (240 km/h) over 49.9 mi (80.3 km) of track along the Northeast Corridor.[2] Acela trains will reach top speeds of 160 mph (255 km/h) when new trainsets enter service in 2024.[3] Other services, like Amtrak's Northeast Regional and Brightline, have a top speed of 125 mph (200 km/h) and are usually not considered high-speed rail.

Brightline, while marketing itself as high-speed rail, more closely meets the definition of higher-speed rail. Despite having a top speed of 125 mph (201 km/h) along 20 mi (32 km) of newly built track, most of the route is limited to a top speed of 110 mph (180 km/h) due to the presence of grade crossings.[4] link

Brightline is the company which received the funding for the California-Nevada HSR, it's a public company that's already coming under scrutiny for their practices and costs vs their projections. I guess I need to do a write-up to link to whenever the HSR comes up with the infrastructure bill.

edit: forgot to add link for the wiki I was referencing.