I noticed there's purple lines that appear near rails if I'm sufficiently zoomed out. They disappear when I disable this mod. Here's some screenshots

Blue lines near rails (also blue lines between the straight rails but harder to notice)

Lines disappear when zoomed in more

Enlarged image of the artifact

Sorry for the late response, I cannot replicate this so I'm going to need more details.

Computer specs.

Which version of the game are you running.

Which version of the mod are you running.

What are other mods are you running.