A vehicle predicts acceleration or deceleration of another vehicle based on the state of a traffic light, and determines the risk of collision based on the predicted acceleration or deceleration of the another vehicle. The vehicle includes a communication device that receives traffic light state information from a road infrastructure, a radar that senses the speed of the another vehicle traveling in a direction intersecting with a traveling direction of the vehicle, and a controller that determines the probability of collision with the another vehicle by using the traffic light state information received by the communication device and the speed information of the another vehicle detected by the radar.