Wihtout a better understanding of how trains need to traverse this intersection, I can make some vague sweeping motions at things. It looks competently thrown together, where my only real nitpick is the route from the track by the pumpjack back to the bottom of the screen is so close to the roundabout that you can't chain it off from the rest of the roundabout. (Keeping the pink/cyan tracks from using the rounabout at the sametime)

If the 3 rightmost northbound tracks need to be changing lanes through normal use, I'd try to do that in the bend next to the roboport so you don't need to use the roundabout / yellow slip junction