I can understand that having a large population in a condensed area can cause some potential issues. However I don't think it would really be necessary to try to apply these taxes to try to remedy the problem. I think that with some effort and planning it could be resolved through alternative means.
Congestion charges land on all drivers, those who drive a new Tesla and those
in an old rattletrap. So such charges are a regressive tax, which takes a larger
percentage of the income of the poor than of the rich. The idea of reducing
congestion is an excellent one, but this is an unfair way to achieve that goal.
Instead, why not dedicate public funds collected in a more equitable way to
improving public transit and building better bypass roads? Such
improvements would decrease congestion without harming those who can least