SANTA ANA, Calif. – A Colorado family involved in a 2004 roller coaster accident has sued Disneyland, alleging the theme park failed to follow proper safety procedures on its Big Thunder Mountain Railroad ride.

The lawsuit says the Cope family of Telluride, Colo., was on the ride returning to the loading area when their train collided with another one being loaded with new passengers.

Gerald Cope suffered serious back injuries that have required surgery, according to the lawsuit. The other family members