Optalert™ JDS Score (John Drowsiness Score)
The Optalert system gives drivers minute by minute information on their level of drowsiness and their risk of a drowsy crash. The driver’s fluctuating alertness level is displayed as a score from 0 to 10 (JDS score). The higher the score the more drowsy the driver is. The indicator also shows the risk of a drowsy crash (low, medium, high) at the time.
With the aim to have a low JDS score, a driver can plan their journey more safely by having additional control over how they manage their fatigue.
As not to distract the drivers from the road, the indicator is passive unless the driver is entering a risky drowsiness event. If the driver wishes to check their JDS score, they simply need to wave their finger over the indicator to illuminate the display.
The JDS score displayed on the indicator consists of three risk signals: 1. Green: Low Risk (Normal) |  |
