I don't drive. I usual encounter this when in the car with my Mum, who can be a little worried. Invariably as we approach she starts telling me to keep quiet until we are past, at length, until I'm really wishing she'd stop talking and drive, but my mouth is, of course, tight shut.
Actually I think she's probably a lot better at it than she thinks. And Marg2k8's explanation makes some sort of sense! It still remains a little scary, with traffic coming at you from what seems like all directions!
If you'd like a look before tackling it, then on the map top right go to 'explore this area', then switch to satellite, and zoom in. It's sort of two rings, one going clockwise, one anti, with four islands and four smaller roundabouts in between.
I can't help wondering if they've ever built one of these elsewhere since? read more