text: It's interesting to hear this suggestion coming from the NCDOT.  I personally have been fooled by Knotts Grove Road on the other side of the interchange at least once, and I know other people who have as well.  Unfortunately, I think there may be a misunderstanding here of what OpenStreetMap is and does.  OSM is simply a database of roads and other features—what routing software decides to do with that is not a concern of the road database.  OSM doesn't "tell" routing software how to get onto I-85; rather, routing software figures that out on its own.  It would be nice if routing software tried to detect if turns are confusing and give them a higher routing cost.  It would also be a good idea for routing software to note potentially confusing turns to help drivers avoid making the wrong move.  However, I'm not sure there's any way for OSM to hold that information, or even that it would be the right place for such information.
  
  I did notice that there was a lack of detail at the intersections of US 15 and Belltown Road/Knotts Grove Road, which has been fixed.  Honestly, I wonder if part of the problem is that the concrete islands at Belltown Road and Knotts Grove Road make them look like entrance ramps.