There are several good rules in the US that I would like to see considered in the UK.
The undertaking rules seems to becoming more applicable in the heavily traffic south.
The turn-on-red associated with a new filter symbol on the lights for specific junctions.
I think I heard that when you have a queue of more than three cars behind you and you are not observing the road speed you should pull over and let them pass when its clear to. This is intended for the tourist and back roads mainly as it was explained to me.
Everyone loves a Morgan. Even me, unless it's broken again.