Here you can find a lot of streets made up of cobblestone. A lot of people complain about the unpleasant shocks when driving there by car. Perhaps these materials could have another use?

• noisiness and 'bumpiness'. In addition, they become very slippery in winter conditions, often to such an extent that driving and walking becomes very difficult and cycling impossible
• slows down traffic
• water-permeable properties of a cobblestone pavement