You need this for "New AI Behavior" and "Traffic Physics." Ensure you are using a recent version (0.1.79 or higher is generally recommended).
The changes everything. It activates physical barriers between your car and the AI traffic. If you clip a bumper at 150 mph, you will spin. If you rear-end a sedan at a red light, your radiator is toast. This mod introduces consequence . Traffic Pack Collision Version Assetto Corsa High Quality
For years, Assetto Corsa traffic mods existed in a strange limbo. You could download a "Traffic Layout" for a map like LA Canyons or Shuto Expressway, and you would see AI cars driving around. However, if you attempted to weave through traffic or misjudged a braking point, you would clip right through them like a ghost. This is known as a "Non-Collision" version. You need this for "New AI Behavior" and "Traffic Physics
For the high-quality visuals, weather, and lighting that make the traffic cars look integrated into the world. How to Install and Enable Collision Traffic If you clip a bumper at 150 mph, you will spin