I have heard about re-tracking done in recent years which is why I was soo surprised at the rough ride our group experienced. We rode on a very hot day for october. Maybe the roughest moment we hit was a transition between old track to new track, or vice versa IDK. I'm glad they are making an effort but I wonder if separating the years of track re-work is less effective then a full off-season re-track. Another factor are probably the PTC trains. I expect, and look forward to getting beaten up by a Grizzly bear every trip. I'd ideally like to get a different experience from this ride though.