Once upon a time, there was a boy named Tom. He was at the railway station when he noticed something strange. The signal seemed to be malfunctioning. A train was approaching at full speed towards a section where there was ongoing repair work. Tom quickly ran towards the control booth. He managed to override the faulty signal and divert the train to a safe track just in time. The passengers on the train were unaware of the danger they had just escaped. Tom became a hero overnight and was praised by the railway authorities for his quick thinking and brave actions.
The story might involve the girl spotting a hazard on the tracks and alerting the authorities or using her skills to stop the train in time. Her courage and presence of mind would be the key elements.
The boy was very observant. He saw something blocking the tracks and quickly signaled the driver to stop. Thanks to his quick thinking, the train was saved and everyone was safe.
I'm not entirely sure as I haven't read it specifically. But generally, it might be about a guy who saved a girl on a train and then some sort of relationship or adventure unfolds between them.
Maybe he noticed some danger on the track like a fallen tree or a broken rail in time and managed to warn the train driver. So the driver could stop the train before it reached the dangerous part.
It could be that the boy noticed something wrong with the train's tracks or machinery and managed to fix it just in time to save the day. Or perhaps he saw an obstruction on the tracks and was able to clear it before the train reached it.