Thanks for my laugh of the day.
I will say this. I have forgotten more about trains and railways and the physics thereof than you will ever know, even if you lived 10 of your lifetimes.
Trains are silent killers. When you are walking on the track, you can't hear them, and the ground does not shake. You either see them and get out of the way, or you don't see them and you most likely end up dead. Yes yes, you can hear them where you live because you are not living on the track, you are living at an oblique angle to where the train is travelling in the distance. I said that in my first post. The physics is known as the doppler effect as it applies to trains. Look it up. You might learn something.
I was going to be sarcastic with you. Encourage you to conduct a little personal experiment where you went out walking this morning on the Oakville Subdivision, or better yet, the Kingston subdivision. I was going to tell you what crossing to get on, what direction to walk (east or west) on which track so that the train would most likely come come up from behind you. I was even going to tell you where to park your car and to leave a note for your wife so when they found your torn apart body, they would have some context to offer her. But then I thought the better of that. I took the position that you are just a lay person in the field of science, engineering and how it is applied to railways. And I don't want to be responsible for your death. (Besides, they would probably check out your internet use, find this post, and find a way to find me. And I don't want to go to jail.)
So I will say this to you instead. I'm right, you're wrong. Please do not trespass on the railway tracks as you could end up very dead. It's extremely dangerous.
If the train comes up from behind you, you won't hear it till it's virtually on top of you and by that point, you have to have lightning fast reactions to jump out of the way. And obviously, you won't see it. The ground won't shake because for the ground to shake requires an impact loading. Round steel wheels running on 136 pound CWR does not create an impact loading. Sure, there's lots of jointed rail around still in Canada on some branch lines (and even that, you won't hear) but pretty much all Class 5 track is CWR. The Oakville sub and Kingston sub are both Class 5 track I can assure you. And yes there is always the possibility of a flat spot on a wheel which will generate noise, but generally, the Class 1 railways frown on flat spots and change them out. At most you might have one wheel with a flat spot on an entire train and an odd train at that. But I digress.
I know you won't believe me.
But maybe you will believe this (but probably not):
You really can't hear trains until they're almost right on top of you
www.diyphotography.net
Click on the video.
Live and learn.