The lights inside the train were still on and luckily the doors were open, but there was no one around.
She also discovered her cell phone was dead.
Jessica says she then pulled several emergency levers on the train, all in a desperate attempt to get someone to come.
"There was a few fences I would have had to jump, not easily, and that's when I reverted to a few other options."
That's when she ran to open the conductor's cabin and found a two-way radio.
Two maintenance employees working the graveyard shift quickly came to her rescue.
Jayme Ackemann, Caltrain Spokesperson says, "the conductors involved were disciplined and we're going to be talking to all of our employees to remind them about the protocols and what's appropriate for closing up for the night."
Anything to stop this real-life nightmare from happening again!