The present invention relates to a method for providing a route stipulation for a route system of a vehicle, comprising the following steps:



providing a plurality of detected trajectories of further vehicles in a route section to be used,
ascertaining a trajectory stipulation from the detected trajectories,
ascertaining a deviation zone from the detected trajectories, wherein the deviation zone is determined on the basis of a deviation of at least individual detected trajectories from the trajectory stipulation,
determining the route stipulation at least on the basis of the trajectory stipulation and the deviation zone.