Devices, methods, and systems for identifying a drunken driver

A method for identifying a drunken driver comprising:

• activating an application on a device;
• presenting a cognitive test through the application, wherein the cognitive test comprises a plurality of sub-tests including at least two of a typing accuracy and speed test, a speech slurring test, a reaction time test, a depth perception test, and a puzzle test, wherein the plurality of sub-tests included in the cognitive test are based on a driver profile associated with a driver, and wherein the driver profile comprises information about one or more sub-tests that are unsuitable for the driver based on attributes of the driver;
• determining whether the driver passed each of the sub-tests based on inputs received from the driver;
• and
• determining whether the driver is drunken based on results of the sub-tests.

A system of identifying a drunken driver, the system comprising

• a vehicle including a sensor;
• and
• a device comprising:
• a controller configured to:
• activate an application on the device;
• present a cognitive test through the application, wherein the cognitive test comprises a plurality of sub-tests including at least two of a typing accuracy and speed test, a speech slurring test, a reaction time test, a depth perception test, and a puzzle test, wherein the plurality of sub-tests included in the cognitive test are based on a driver profile associated with a driver, and wherein the driver profile comprises information about one or more sub-tests that are unsuitable for the driver based on attributes of the driver;
• determine whether the driver passed each of the sub-tests based on inputs received from the driver;
• and
• determine whether the driver is drunken based on results of the sub-tests.