for the industry there is for drivers that are foolish lucinda. can make is say the system would carry out a minimal risk maneuver after those four seconds the car slows down gradually and stays in the same lane even if in the fast lane. a scenario that secret brockman finds alarming. so the fact so is this case the car stopped in between two lanes it s an extreme example but the car no longer knew where it was in the real world drivers coming from behind would never expect this vehicle to just stop because the driver failed to respond and that could well lead to serious pile ups. the researchers conducted a second study to examine the takeover times among drivers who are tired or are taking longer trips in a driverless car the team rated their level of drowsiness using a range of indicators such as frequency of blinking i movement and yawning tired