The amount of street sweeping is directly correlated with how much they can make ticketing cars that are parked in street sweeping zones. In San Francisco they

The amount of street sweeping is directly correlated with how much they can make ticketing cars that are parked in street sweeping zones. In San Francisco they sweep the streets daily and throw $70-80 tickets to any car caught during sweeping time. Does the street accumulate enough garbage in 24 hours to warrant another sweeping? Irrelevant.