I have noticed something that's quite bothering me on Train Simulator, when moving, the overhead lines keep popping in and out of existence. Not quite sure how to describe it but they appear as moving dotted lines and you can only tell it's a solid line when it's 2ft in front of you, other than that they're just moving lines. I'm pretty sure it is something to do with my settings but can someone tell me the cause behind it? I have attached an image to kinda show what I am dealing with
It is a (lack of) antialiasing. Using better AA helps, but only to a certain extent. Also, usually people trade off. Ideally for a 2k monitor you'd render at least 4k, but preferably 6 or 8 - but it's quite taxing.