140 mph..... as a child this was our way of figuring out who had the faster family car. This may be psychological, but if the normal maximum speed (104?) was all the way round to the end stop might we all drive a bit slower? Seeing the needle in the middle gives an impression of using only half capability although it's in the best place for visibility.
Quite a lot of 20/40/60 roads so it all balances out I guess.
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TG