Unfortunately what is needed are tests of driving ability. Most over-70s are significantly worse than the average driver and some are so dangerous they shouldn't be on the road at all.
Politically very difficult to take people's licences away though, especially when it's permanent, not their fault and it makes their life a lot worse.
Politically very difficult to take people's licences away though, especially when it's permanent, not their fault and it makes their life a lot worse.