50 miles an hour is quite fast enough. No human being ever travelled anywhere near as fast as that until the 19th century. If you want to go faster than that, go by train.

I never understand it when people conplain that speeding fines are used as a way for collecting revenue. If that were true, which it isn't, it would be a great idea - a completely voluntary tax.

Going on a motorway until you have had a fair amount of experience driving doesn't make any sense. A supplementary driving test in motorway driving before you were allowed to do it freely would make a lot of sense.