Retrieved from <a href="https://www.parliament.scot/S5_Rural/Professor_Adrian_Davis.pdf" target="_blank">https://www.parliament.scot/S5_Rural/Professor_Adrian_Davis.pdf</a> Chief Superintendent Carle said that, "The scientific data tells us that a collision at a lower speed is less likely to result in serious injury, so if the general principle is to lower speed limits from 30mph to 20mph, and if speeds come down, that may...