The only downsides are the learning curve (solved by this guide) and the occasional AI stupidity (cars merging into barriers). However, given that this is a free mod for a ten year old game, the sophistication is breathtaking.

AI speed limits drop when density is high, simulating congestion, and increase during off-peak hours. Randomized Events:

From Track Day to Rush Hour: The Transformative Impact of the Assetto Corsa Traffic Planner Mod