I don’t understand what this has to do with congestion pricing, which AFAICT had a very simple (arguably too simple, per complaints about charging blue collar workers) fare schedule.
(I also don’t think anybody would describe Manhattan’s CBD as their favorite neighborhood.)
Try a web search for geo-fencing, which is closely coupled to modern technology for enforcement of geo boundaries that are not gated by a physical barrier.
Manhattan Central Business District (CBD) is defined as "Manhattan south of and inclusive of 60th St" excluding some through-traffic highways.
> don't think anybody would described Manhattan’s CBD as their favorite neighborhood
(I also don’t think anybody would describe Manhattan’s CBD as their favorite neighborhood.)