Around our way if you take up two bays you are likely to get a ticket. It's got so stupid that people are being fined for having a wheel on the line of a bay. I think there are a few issues exacerbating this supermarket rash epidemic, first off there are a lot of bad drivers, cars are getting bigger, modern cars have poor visibility to the rear and many other blind spots, many people do not respect other people and their property. The problem is that if carparks mark out bigger bays they will lose money and also with the number of cars on the road now parking is getting generally more difficult and spaces are at a premium.