@Pamani. It's an adaptation to the true contraflow left intersection without junctions. The objective of this intersection is not to overload the right lanes of the highway at the entrances and exits.

Hi. This design is nice but how is it contraflow ?
To me contraflow apply for instance on a diamond where left turn lanes (from the surface street) do not cross : they switch position on the bridge and run parallel ( exemple : https://attap.gitbooks.io/uaid/content/138.jpg ).
Here they don't run parallel to each other. In fact it looks more like a regular traffic light intersection but where each direction is grade separated.
Or it can more simply be seen as a 4-level stack interchange where left turn flyovers merge on the left.