The true solution to LA traffic will never happen. And that solution is buses. But not the current underfunded system that barely limps along. A massive number of buses, like 5x the current number. And combined with tolls for cars to get cars off the road. The large number of buses is critical because it greatly reduces wait time between transfers. It also allows adding express bus lines between major areas. But buse…
Buses in the LA region have a bad reputation because of other bus passengers. If you ride the bus you might have to sit next to someone who smells bad or plays loud music or acts out in inappropriate ways. That's why everyone who can afford it drives their own car: to be alone. The reputation would improve if they could get more "regular" people riding, but it's kind of a chicken-or-the-egg problem.
Or if the first 2h pay of your day is used to pay for parking, then a bus ticket is attractive.