I think there’s 4 rails there. I believe the 1 on the outside is the electrified 3rd rail, the middle is the outside rail, the left is a rail to prevent derailed trains from entering the road, and the 4th rail is not visible in this video.
Here’s another perspective of that station:
Also fun fact, there’s 2 Garfield Stations in Chicago.
SatansMaggotyCumFart@piefed.social 4 days ago
That’s the electrified third rail.
needanke@feddit.org 4 days ago
Why is it just exposed like that. That seems needlessly dangerous.