That is the "Magic Roundabout" in Swindon UK http://en.wikipedia.org/wiki/Magic_Roundabout_(Swindon)
It is a roundabout that lets cars go around in both directions. As you have said in the thread above, the learning curve is tough but once you know what you are doing - very effective.
It is a roundabout that lets cars go around in both directions. As you have said in the thread above, the learning curve is tough but once you know what you are doing - very effective.