The horizontal road is a single road, with a large median and each direction mapped separately. Currently, its mapped with a seperate crossing over each direction of the road, for six in total. Should the crossings be joined? If not, how does the tagging work?
It's hard to tell without some aerial/satellite imagery of your intersection, but assuming there are islands at each crossing, and assuming that "up" is North in your image:
The crossings at the Northwest and Southeast would be tagged as shown at the top of the page you linked:
While the 4 Northeast and Southwest crossings would be tagged as shown at the bottom of the page you linked: