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
Millennium Force is no minimum age requirement, but guests must be between tall to ride. Persons over a certain weight or waist size are not allowed to ride if the seat and lap bar harness cannot accommodate them. Passengers on Millennium Force may not take loose articles onto the train and are required to wear shirts and footwear. Headphones must be removed before boarding. Guests are advised not to ride Millennium Force if they have recently had surgery, heart trouble, high blood pressure, neck or back trouble, or any medical condition that may be aggravated by riding, or are pregnant. Millennium Force