 Automatic train protection (ATP) could possibly have prevented the accident.Railcorp has tested ATP systems on the Blue Mountains line in western Sydney, and plans for ATP implementation across the Sydney Trains and NSW TrainLink Intercity/Regional networks are being formulated.CityRail/RailCorp incorporated emergency door releases on the insides of the new Waratah trains as a result of the inquiries to this disaster, enabling passengers to open the doors themselves in case of an emergency, where the crew are incapacitated and the train is at a standstill.