3 ms·So, not in London where it would be useful...by moomin 9y agoSo, not in London where it would be useful...rkangel 9y agoI don't know. I've spent a load of time stuck in traffic on the North Circular where there are barriers a lot of the way. But then there are junctions with traffic lights quite regularly I suppose.moomin 9y agoActually yeah, the north circular qualifies. The south circular? Nope.