Statistical method and system for highway congestion degree and related equipment

The invention is suitable for the technical field of data processing, and provides a highway congestion degree statistical method and system and related equipment, and the method comprises the steps: respectively collecting the video image data of a starting point and an ending point of a target road section in a first preset time and a second preset time; determining the number and the type of vehicles passing through the starting point of the target road section within the first preset time and the second preset time; judging whether the number of vehicles passing through the destination of the target road section is greater than or equal to the number of vehicles passing through the starting point of the target road section, and if yes, judging whether the average probability similarity of the starting points and the destination of all types of vehicles within a preset time interval is the maximum value; and if yes, counting the number of times of snapshot of the camera corresponding to the preset time int