Are you forgeting about some of the motorways biggest users? Trucks? The majority are currently limited to 60mph, and quite rightly to - 32 tons of truck would take some stopping from 90mph.Originally posted by Big RICHARD
You'd be allowed to slow for road conditions like hairpins.
Cars that can't do 65 shouldn't be on these types of roads then, for safety's sake. keeping the speed differential down is the answer to safety.