I've posted this story once before on another website, so those of you familiar with ghost story websites might recognize this one.
This happened to my husband back in 2007 on Halloween night of all days. My husband called me to tell me as soon as it happened and it's been boggling his mind ever since.
He works for the railroad and one night while on the train going south he and his engineer passed through a small county (between San Antonio and Laredo), something he's done for 5 years when something caught their attention.
Up ahead on the tracks my husband saw someone lying on the tracks, which is pretty typical (suicides, drunks, etc) and he told the engineer to slam on the brakes. The engineer saw the guy too and so he pulled the emergency brakes but of course, it takes about a mile for a train going 70mph to slow down.
What they both saw was an older man with a beard who was lying on his side facing the train. When the man saw the train as it got close he put up both his hands in a defensive manner and he had a frightened look on his face. Well, before they knew it they slammed into the guy and the train finally stopped.
My husband and the engineer were shaken up and my husband called his manager to tell them what happened; he told them to call the local authorities, and state troopers, etc. Well, everyone showed up and when they looked under the train nothing. There was nothing at all.
My husband and the engineer were embarrassed because everyone was there to investigate and there was nothing under the train. They swore that they ran over the guy because they heard the thumping sounds as the train kept going. They walked back to the point of impact and there was nothing. No blood, no clothes, shoes, etc. They called in the K9s and he couldn't pick up a scent. If they had hit someone and he ran off, there would have been blood or something or I'm sure he wouldn't have gone far anyway. The local cops were like, "oh, a while back a bunch of kids were throwing mannequins off this bridge so it was probably a mannequin." But it was impossible because of what they saw.
So, who knows what happened that night. My husband isn't much of a believer and he isn't frightened by anything like this or ghost stories, but it makes you wonder.