This is my setup, used to run ats at 300%scaling and max settings but lately it's to have hard fps drops when close to traffic and lights reflecting inside the cabin, anything
FPS Boost Optimizer v2.0 (1.39.x) for ATS | By Makar S.
How to FIX American Truck Simulator Low FPS & FPS Drops Issue - YouTube
Euro Truck Simulator 2 FPS Fix! Massively improve your framrates and graphics! - YouTube
How to FIX American Truck Simulator Low FPS & FPS Drops Issue - YouTube
SCS Software's blog: New paint job packs for Finland and Belgium
Lag in cities ATS DEVS ARE YOU READING THE FORUMS :: American Truck Simulator General Discussions
FPS STUTTERING - Unsolved Topics - TruckersMP Forum
How to FIX American Truck Simulator Low FPS & FPS Drops Issue - YouTube
Fix: American Truck Simulator (ATS) Low FPS Drops on PC | Increase Performance
Updated ATS & now I have terrible stuttering/fps. Last played ~2 months ago, game was not like this. Happy to take any help I can get to resolve it. : r/trucksim
TEXAS] FPS drops south of Dallas at night. - SCS Software
American Truck Simulator Frame Rate - YouTube
Cabin Lights v1.2 1.36.x ETS2 - Euro Truck Simulator 2 Mods | American Truck Simulator Mods
SCS Software's blog: American Truck Simulator 1.40 Open Beta