Systems and methods for responding to a negotiation request for cooperative maneuvering among connected vehicles

An ego vehicle includes a controller configured to obtain a maneuver message from a first remote vehicle, which includes a negotiation request related to a maneuver to be performed by the first remote vehicle, determine a degree of conflict based on a position and a velocity of the ego vehicle, and driving information of the first remote vehicle, determine whether to accept the negotiation request based on the degree of conflict, send a maneuver message including an alternative suggestion to the first remote vehicle in response to determining to reject the negotiation request, and control the ego vehicle based on a negotiation result.