Methods and systems are disclosed for conducting Perceptual Suitability Tests (PST) for a driver and / or any other person who operates equipment's and / or devices such as a vehicle, a train, an aircraft, a ships, a nuclear reactor, a plant, a chemical process, etc., which are especially provided for enabling and disabling Perceptual Impairment Ignition Interlock Devices (PERCEPTIIID) for such vehicles, equipment's and / or devices, the operation of which could especially pose a general and / or potential risk for the environment and / or other people. |