I&#x27;ve been on the one in Hemel on my bicycle.   There&#x27;s also one in Colchester: <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Magic_Roundabout_%28Colchester%29" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Magic_Roundabout_%28Colchester...</a><p>In addition to magic roundabouts, Britain also has gyratory systems, which are like normal roundabouts, except much larger and possibly with buildings in the centre, reachable on foot via underpasses (which are called subways in England, just to confuse Glaswegians and New Yorkers).   The most famous one is at Hanger Lane in London, which has a tube station in the middle.