A device of a traffic infrastructure for communication based on a motor vehicle communication system interacting in an ad-hoc manner, wherein the communication is carried out between road users among each other, between road users and the traffic infrastructure, or a combination thereof, the device comprising:
- a radio transmission/radio reception device operable to receive at least a first message transmitted by another radio transmission/radio reception device associated with a first road user,
- wherein the radio transmission/radio reception device is configured to:
- ascertain, per possible maneuver at intersection, at least one value correlating with a probability for execution of the maneuver at the intersection based on the received first message, the first message including an estimated period of time before completing each possible maneuver;
- control the first road user based on the correlating value;
- form a second message;
- and
- transmit the second message to the other radio transmission/radio reception device.