The term 'Run Off The Tracks' can be summarized by the crossword solution 'Derail', which is a 6 letter word. Derailment is the process of a train leaving its tracks, usually due to a malfunction or an accident. It can also be caused by human error, such as when a train is travelling too fast for the track conditions. Derailment can cause significant damage to the train and the track, as well as disruption to the railway network.