This is a setup mission for the obvious approach to The Big Score heist. Michael, Trevor and Franklin receive a text message from Lester saying that he has a crane to steal the train. One of them will need to divert the train and while another of them uses the crane to steal the
The first protagonist, either Michael or Franklin, knocks out the two guards by stealth that are guarding the railroad and then goes to the cabin to switch over the tracks to divert the next
Trevor uses the Skylift magnet to steal the engine and carriages and delivers them to the airfield.