There should really be a cut off point for elderly drivers.
The item in this weeks paper about the old chap driving round and round the M25 for two days because he didn't know where to turn off is a good example.
Also, my gorgeous girlfriend frequently gets ignored by arseholes, not recognising the pedestrian crossing at the end of our road (Despite it's flashing amber signals) and is nearly hit most mornings by people who just don't want to slow down. Foolish!!
maybe she distracts them !
in summer the speed dropped dramatically when a particular young lady used to walk down the road wearing ... well not much but just enuf to be covered!!