I see this as a crossroads map, like if you want to have longer travel and connections among several maps. It strikes me as a mir3 map because that's just what mir3 is like, more role playing, real travel around maps, at least before you can use teleports.
I recall now, I did play on this map before, it had snakes on it like SV would but don't remember what server that was.
All the other n series maps are faithful reproductions of Wemade maps, doesn't make sense to single SV out.