Only the B&M hypers and gigas at Six Flags parks are closed at this point. The three that Rustbucket listed are back open (without seatbelts by the way) and were only closed for a couple of weeks IIRC. If the Six Flags coasters are still closed by the start of next season, then I think it would be because they are taking extra time with the maintenance. I don't know what kind of timeline the independent investigators will be working on, but I doubt it'd take more than 5-6 months, especially if this was indeed a freak accident.
I think the cause will be determined within the next month (if it hasn't already) and official findings will be released after the final reports are made. Fury 325 and Thunder Striker could reopen for WinterFest as long as their trains are deemed safe and in working order.
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Losantiville Mining Co. ·