70mph is plenty fast enough, there are enough mistakes made at half that speed. On the motorway the police usually ignore cars traveling at under 85mph in normal conditions so you could say the real speed limit is 80 not 70, but if it were officially upped to 80mph everyone would drive at 90mph. Back in the 1970’s before the 70mph speed limit was introduced the motorways and duel-carriageways were a slaughterhouse because of the number of thundering old buffoons and zit-boy-racers who thought they could defy the laws of physics. “One elephant, two elephant” The time it takes you to say that is the same amount of time it takes you to hit the brakes in an emergency. At 100 mph you have about this much time: “One ele”..