After a rebuild, X returned as X2 with new trains and a new colour scheme.
Closed after two riders were hospitalised with bleeding on the brain within six days.
Six Flags retired X2 a month after a CNN investigation into brain injuries.
Six Flags says X2 consistently passed its safety tests and retired it because guest confidence was affected. Attorneys told CNN that more than 100 people contacted them with similar brain-injury allegations.
X2 closed after reports linked it to brain injuries: two riders were hospitalised with bleeding on the brain in July 2026, and more than 100 people have come forward with similar claims. Six Flags made the closure permanent on 29 September 2026.
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