Found it on the railroad?

Question

what is this? it looks like a J, like in the profile picture, and has a small lip on either end, however its not round, its a constant U shape that bends w/ it

Answer 1

Channel Lock Drive-on Rail Anchor

Rail Anchors

A&K Rail Anchors are designed to eliminate creepage of track by providing a large bearing surface against the rail base and tie. The anchors prolong the life of wood ties by preventing cutting and wear. Other anchor designs are available.

Answer 2

This is the same question as "What is this thing called?" below.

Answer 3

It is called an anchor.  Holds the tie in place.  They put them on both sides of the tie.  That way, when the rail expands with the heat the tie moves with it.

Answer 4

it hold the rail to the tie plates