Southampton, UK
The UK today boasts 25,000 roundabouts: the most in the world as a proportion of road space. (France has more in total.). I reckon that in the next five years there is a fortune to be made in the bicycle delivery of food and emergency supplies of water to motorists stuck in roundabout queues.
We have come across some doozies. You need to understand that the Brits don't use roundabouts as in Australia where it is primarily single lanes entering from three or fo...