Sherrifhall roundabout was designed by Jackson Pollock during a drunk phase. Apparently Dobbies put in a proposal to be allowed to extend but it was turned down because of traffic - but they also suggested they would change the roundabout to a flyover and proper on-off ramps. But by then Embra was on its anti car crusade...
Sheriffhall named as 10th scariest junction in the UK.