This mod not only increases traffic density, but also changes its behavior to create a more loaded and more fluid experience.
Increase traffic in general, which creates a more realistic feel
Dynamic density based on time of day, peak peak hours, quiet nights and everything in between
Queues that do build up are quicker to filter away
Mod was tested on ETS2 1.32.x.x, but it should work on older game versions too.
Credits:
Abrienne-HN