Under what condition is it acceptable to use a mobile phone while driving?

Using a mobile phone while driving is a significant safety concern, and the regulations surrounding it are designed to prevent distractions that can lead to accidents. When a driver uses an approved hands-free device, they are able to maintain better control of the vehicle while communicating, as their hands remain on the steering wheel and their focus can stay more aligned with the road.

The use of hands-free devices mitigates the risks associated with handling a phone directly. These devices allow for voice-activated commands and enable the driver to communicate without having to physically hold the phone, thus reducing distraction levels. This practice is generally recognized as a safer alternative when communication is necessary while operating a vehicle.

The other scenarios presented involve situations that either do not address the risks involved with phone usage or are outright against typical regulations aimed at ensuring road safety. For example, stopping at a red light does not significantly lessen the risks associated with using a mobile phone, as it could lead to distractions that might persist when the light turns green. Driving on an empty road might create a deceptive sense of safety, as distractions can still jeopardize a driver's reaction times. Lastly, poor visibility conditions heighten the risk of accidents, making any form of distraction—including phone use—particularly dangerous.