[flurdy]

That satellite view describes it perfectly. Especially how it is differentiated from a standard 2 lane roundabout.

In the UK there are road markings that indicate a similar flow, but this turboroundabout makes it physical.

* Raised curbs force the outside lane to exit.

* After each exit, there are only 2 lanes left.

* After each entry, there are 3 lanes, a new one starts from scratch on the inside.