Parking is already controlled at "market rate." In San Francisco parking can easily run over $20/day. If you can afford $20/day just to park your vehicle, then

Parking is already controlled at "market rate." In San Francisco parking can easily run over $20/day. If you can afford $20/day just to park your vehicle, then you should be able to afford congestion pricing, or else find an alternative (which would hopefully get you in to the city faster since there's less congestion).