AI vehicle system that goes directly to the target avoiding obstacles such as walls or follows another target such as a vehicle.
This system creates an automatic spline so that the vehicle can reach the target from the nearest road and follows the spline to reach the target.
https://dev.epicgames.com/community/learning/tutorials/Kw0Y/unreal-engine-ai-vehicle-system-that-goes-directly-to-the-target-or-follows-a-vehicle-subtitle