Start your engine, hit "Initialize," and embrace the chaos. The open road is finally crowded.

In this guide, we will dissect everything you need to know about the Traffic Planner mod: what it is, how to install it, advanced configuration, troubleshooting, and why it is arguably the most significant quality-of-life mod for offline drivers since Content Manager. At its core, the Traffic Planner is a Python-based application (often run through Custom Shaders Patch (CSP) and Content Manager ) that allows users to spawn AI-controlled cars that follow traffic rules, change lanes, brake, and react to the player.

Enter the .

Go into Content Manager > Track > Edit > AI. Does the track have a fast_lane.ai ? If not, the planner has nowhere to drive. You can record your own AI line (drive the track once, save line).

In Content Manager ( Settings > Assetto Corsa > System ), make sure "Enable Python apps" is checked. Also, disable "Use single-threaded AI" in CSP.