It’s surely every train driver’s nightmare; being at the controls when someone crosses the tracks to take their own life. And for months after it happened to Sean Tansey it’s all he could think about. The dad-of-three and driver of 17 years, from Irlam, said: “Even now, 10 years later, I can still picture his face. He looked straight up at me. It’s as clear now as it was then.”After that day, Sean’s nightmares lasted months.