A method is described for controlling traffic inside a parking facility, including the following steps: —dividing the parking facility into multiple tiles, —detecting the multiple tiles with the aid of one or multiple surroundings sensor(s) to ascertain surroundings sensor data corresponding to the detection, —ascertaining a particular occupancy state of the multiple tiles based on the surroundings sensor data, —controlling traffic inside the parking facility based on the ascertained occupancy states. Further, a device is described for controlling traffic inside a parking facility. Also described are a parking facility for motor vehicles, and a computer program.