Many areas, including Wales, have reduced the speed limit in urban areas from 30 to 20. The great Christian philosopher, whatsisname, said slow down. Jesus himself recommended a lower speed limit, or at least he would have done if cars had been invented then.

https://drive.google.com/file/d/1PLRNA6eF1hAVVAScqheNyf1IEfe1Sgy3/view?usp=sharing