>>1211970These designs, like turbo-roundabouts, all have their purposes and roles. The surface markings a la
>>1211968 isn't shown to be the clearest. Concentric spiral markings is the minimal standard in modern conventional roundabouts.
>>1211976> That's effectively a 2 lane roundabout that's been physically separated Do you really get the point of a slip lane?
There's already so many configurations that can't generalize like that.