Since primary safety is the unique possibility to protect automobilists in half of the crashes, it needs to quantify the efficiency of these systems. This paper considers that a primary safety system is efficient, provided that it avoids dead or injured people. Both the driver and the system have to be trailed at the same time. The anti-lock braking system (ABS) has recently been studied through a 100-drivers experiment. Although the ABS is famous, it appears that most drivers don't know how it works and misused it.
Abstract