This paper examines the technical evolution of the "Traffic Car Pack" update within the Assetto Corsa simulation environment. As the demand for open-world and endurance realism grows, the implementation of Artificial Intelligence (AI) traffic has shifted from static, recorded entities to dynamic, physics-based agents. This analysis focuses on the integration of Kunos Simulazioni’s "Horizontal" physics algorithms, the utilization of Custom Shaders Patch (CSP) traffic scripts, and the optimization challenges regarding hardware resource consumption during "Update" cycles of popular traffic mods.