<Question> Graphics settings (Nvidia) to smooth out the view ahead at speed?

[Gazz292]

I'm trying to run HUD'less using drivers timetables,  so to do this i need to know where i am along the route, 
This is done in real life and in the sim (with paper timetables) simply by looking at the hectometer boards as you pass them, which should be placed at least every 200 meters along the line (some places in SimRail are missing these i know)
Then you read the timetable's distance entries to know where you are along the route and where a speed change occurs ahead, or your next stop is etc.

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But i've found that once i'm upto speed in the EU07 doing 125 km/h, it's getting hard to read the hectometer boards, even when zoomed fully in looking at the side of the tracks, and when doing 140 km/h in the EP08 it's almost impossible to make them out.

This is because the view of the tracks ahead seems to 'skip or judder' the faster you go, it's no longer a smooth view, if i look closely i can see the catenary masts juddering along rather than passing smoothly as they do at slower speeds. 

I'm getting about 50 fps on average, running my monitor in G-sync mode at 165Hz, and running all the SimRail graphics settings as high as they will go except clouds (i find i get a 5 to 10 fps increase by having medium instead of high quality clouds)  i've tried the 1/2 resolution setting thing, but that makes it worse i find.

I'm running a gaming laptop with a RTX 3070 Ti GPU, running Nvidia driver version 517.0. and i have the laptop in high power mode, allowing upto 150 watts to the GPU (hovers around 120 to 145 watts running SimRail) 

I've tried using Vsync on (thus turning off Gsync) but found no difference. 

I'm running at 2560 x 1600 resolution, the native resolution for my display (16:10 screen) and 165 Hz refresh rate (i get the same juddery view at speed when running at 60Hz refresh rate)

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Are there some of the Nvidia settings for the gfx card i could tweak to get smoother frames at high speed? 
Below are my current settings for SimRail, pretty much left them all standard except for Power management mode :