International Calibration Study of Traffic Conflict Techniques

The concept of traffic conflict was initiated in the Uni ted States in the 60s and raised a lot of interest in many countries : it was an opening towards the development of a new tool for safety evaluation and the diagnosis of local safety pro­ blems. The need for such a tool was great, because of the many situations where accident data was either scarce, unsatisfactory or unavailable. Development of Traffic Conflict Techniques (TCT) started simultaneously in the 70s in several European cou...