I'm trying to create some custom highways and I'm almost there. The only issue I cannot get around is when I make an intersection with the highway (0m level) and a normal road (-0.3m level) the node creates a quite sharp V-shaped transition (almost like a step) between the two levels. The normal node (for highway intersections) works perfectly but the "pavement node" (which i created exactly like the game does - same slope, single edge from road midpoint) is not transitioning the level difference smoothly. Any ideas what I'm doing wrong?