When approaching emergency vehicles on the road, what should a driver do?

When approaching emergency vehicles on the road, it is essential for a driver to move over one lane if it is safe and possible to do so. This action not only provides a safer environment for the emergency personnel but also reduces the risk of accidents occurring from close proximity to stopped emergency vehicles. If moving over is not feasible due to traffic or road conditions, slowing down significantly is crucial. This approach allows the driver to maintain control of their vehicle and ensures that they can react appropriately to any sudden movements or hazards.

Following this practice is important because emergency responders often are engaged in critical operations, and the safety of both the responders and other road users is paramount. Additionally, many states have "Move Over" laws which mandate that drivers take these actions when they see emergency vehicles with their lights flashing. Therefore, option B rightly emphasizes the necessary precautions to ensure safety on the road when encountering emergency situations.