The bridge toll is also one way, and if you're poor, you likely won't have such easy access to those programs (which is a lot of paperwork anyways) on the other

The bridge toll is also one way, and if you're poor, you likely won't have such easy access to those programs (which is a lot of paperwork anyways) on the other side of rail (LA resident accessing SF e.g.). And if Amtrak is any indicator, the HSR will be more expensive than planes anyways.