Millennium Force were installed to illuminate the ride. Twenty COLORado Range and ten COLORado Ridge wash lights were installed at the base of the lift hill structure. When it opened in May 2000, Millennium Force broke six world records and used a new magnetic braking system instead of friction brakes found on most roller coasters. This new system enabled the use of a shorter brake run, which slows the train from down to a standstill in six seconds. Millennium Force held the records for tallest and fastest complete-circuit roller coaster until August 2000, when Steel Dragon 2000 opened. Millennium Force held the
SJ X2 it does not consume more power at than older Rc- locomotive hauled trains at . The X2 trains have mostly run the X 2000 service level, but have periodically been used for Linx traffic as well as regional services, for which fewer coaches were used to improve acceleration. Technical data X2 locomotive Technical data X2 passenger coaches Each train also have a UB2X coach with a driver's place, and a URB2 coach with a simple restaurant. In the beginning there were many more UA2 first class coaches than UB2 second class coaches. But after a decision that state employees should