Other European cities, a good example being Zurich, limit the number of available public parking spaces. If you may have a potentially hard time to find relativ

Other European cities, a good example being Zurich, limit the number of available public parking spaces. If you may have a potentially hard time to find relatively expensive parking this could be a big incentive to bike, or use (excellent) public transport. I'd be all for a congestion charge, but politically this is probably a non-starter.