"Drive along the train to the engine" is an objective in the story mission Derailed in Grand Theft Auto V.
Walkthrough[edit]
As Trevor gun it on down the length of the train. Be careful to keep going forward and avoid falling off the train. Also be sure to stay at speed because of the gaps between the cars of the train. When you make it to the engine car, Trevor will automatically ditch the Sanchez. The cutscene will lead onto the next part of the mission.
