Well good news there then. LA and the rest of the valley have a huge amount of transit plans moving forward. This video covers it really well.

The same youtuber has a great video breaking down the above project as well. He recommends alt 4. Huge ridership, fast trip, modern stations that tie into current networks well and the best cost/rider ratio. Average trip time is under 20 min end to end, which beats a car even if the rode was impossibly empty.

The only reason it's being pitched here is that literal billionaires want mass transit to stay on top of 405 and not cross their eyeline. They also have an issue with elevated rail, and I'm not kidding here, bored tunnels deep under their mansions. They hate all transit of any type being near their fancy enclaves.

Luckily, it looks like the monorail options cost more than heavy rail, have 50% the ridership, take 30% longer on an end to end trip, have much worse stations that dump passengers off on literal highway onramps, and likely move so little people they wont qualify for federal grants anyway. Those options are probably dead, billionares be damned.