You are confusing the speed limit with the speed at which the crash happens. Most people apply breaks before the crash, and do not crash at full speed. http://

You are confusing the speed limit with the speed at which the crash happens. Most people apply breaks before the crash, and do not crash at full speed. http://www.swov.nl/rapport/Factsheets/UK/FS_Speed.pdf http://www.swov.nl/rapport/Factsheets/UK/FS_Speed.pdf Though that number is always going down, because modern cars are safer than previous gens.