System method for detection of average speed of vehicles for traffic control

The invention refers to a method and a system for identifying moving objects by employing a tag, said tag comprising at least alphanumeric characters and said tag being extracted from pictures taken by cameras located in at least two different points within a certain distance, characterized in that it comprises: - extracting alphanumeric characters of said tag from the pictures taken by at least two cameras; - converting said alphanumeric characters into other new characters of another representation space; - creating a string of said new characters for each of the tags extracted from the pictures taken by the cameras at different locations, said cameras being synchronized and said pictures taken by the cameras within a predetermined time interval; - confronting the strings by associating a correlation score; - inputting a threshold score; - identifying the moving object if the correlation score is over the predetermined threshold score.