When is it permissible to use a mobile phone while driving?

Answer: B — When parked safely

Using a mobile phone while driving is permissible when the vehicle is parked safely. This means that the driver has taken the necessary steps to ensure that their vehicle is completely stationary and out of the flow of traffic. This is essential for safety, as it prevents distractions that could lead to accidents. When parked safely, the driver is in control of their surroundings and can focus on using their device without the multitasking challenges that come with being on the road. Safety laws typically reflect this by allowing mobile phone use when the driver is not actively engaged in driving. This approach promotes responsible driving practices and encourages drivers to prioritize safety for themselves and others on the road. Options that suggest using a mobile phone while at a stop sign, when there’s no traffic, or at any time while driving would likely increase the risk of distractions, impairing the driver's ability to react promptly to changing road conditions.