This IS A LIVE FEED FROM FLAGSTAFF.
If you go to the bottom right corner and click on youtube, it will open in another window and at the bottom right of the player window, you can switch camera views and see the trains coming from left to right. which is actually West to East
The track closest to you is going West and the second set of tracks is going East.
Confused? KEEP THEM AWAY FROM YOUR FACE!
There's sound too.