You can turn shadows down in ETS 2 settings, follow this guide:
You can also increase or decrease quality of the shadows in the settings too, it is explained in the above address.
As it has been already two days since you last time posted this topic, we would be more than just happy to know if the solution given above has helped you to solve the issue. Also, don't hesitate to ask if you still need further assistance with the problem. We are looking forward to hearing from you again, have a great day!
because the last reply on this post being over 3 days ago, I'll have to move this topic to the inactive section.
If you do have have any further questions, feel free to contact me, create a new topic or support ticket.
//moved to inactive
because of this topic has been inactive for 2 more days , I'll have to move this topic to Unsolved Topics.
If you still need any help, feel free to create a new topic or contact us directly by submitting a support ticket: https://www.truckersmp.com/support
//Locked and Moved to Unsolved