There are issues with mini roundabouts, two I regularly see in my home town: - If you have one 'entrance' to the roundabout which is partially busy, say at rus

There are issues with mini roundabouts, two I regularly see in my home town: - If you have one 'entrance' to the roundabout which is partially busy, say at rush hour, it becomes near impossible to enter the roundabout from a different direction. With a normal roundabout many more cars can be on the roundabout at once and a natural flow, even from less used entrances, just happened. This does not work on a mini roundabout. - Where they have replaced a T junction, people often ignore it causing (near) accidents when going "straight on" when they don't have right of way. They are definitely not a one size fits all solution.