[overlords]

There seems a like a simple fix to that.

Charge more money for people to get off at certain places.

Make it 10 dollars to stop off at a high income area to avoid undesirables from taking transit there.

Use that extra money to subsidize even further for where you want the undesirables to transit to.

[Broken_Hippo]

So, if all the grocery stores are in "high income" or even "mid-income" areas... folks are taxed a bit extra to do their shopping?

It also seems a bit counter-intuitive. The point of public transit - a good system, anyway - is to encourage folks to ride it. Having a high fee for certain areas would actively discourage folks from using such a system and might actually reinforce a stereotype that mass transit is for poor folks.