I don’t think congestion charges would cover building/maintaining public transport.
All infrastructure for cars and the fallout from their pollution (don't forget the tyres) is heavily subsidized by the tax payer and not as cost effective as a tram or railway.
alt Hacker News
All infrastructure for cars and the fallout from their pollution (don't forget the tyres) is heavily subsidized by the tax payer and not as cost effective as a tram or railway.