>>>Ah, I see!
>>>
>>>Well, I've no idea, sorry. Seems unlikely. The main reason why they will never change is the thousands of miles of roads, including motorway, with all the sign-posts. All the cambers and stuff would become adverse or something like that. I'm not sure that motorway interchanges can just be reversed conveniently either.
>>
>>Well, Sweden did it, didn't it? It took a campaign over several weeks, but they did it.
>
>I dounbt if back in the 60s/70s Sweden had a fraction of the roads that UK, with a popn. of c. 56 million had.

They did it on time. I was thinking of the same thing.