I read somewhere once that the suggested procedure for train engineers who are about to hit somebody is to sound the horn and activate the brakes, then cover th

I read somewhere once that the suggested procedure for train engineers who are about to hit somebody is to sound the horn and activate the brakes, then cover their ears, close their eyes, and scream so that they do not hear the noise. I'm not sure if that is true, but it really ingrained in me a sense of how horrible it must be to be so powerless in that sort of situation.