During heavy rain, what should a driver be particularly cautious about?

When driving in heavy rain, it is critical to be particularly cautious about reduced visibility and the risk of hydroplaning. Rain can significantly limit how far a driver can see, making it difficult to react to obstacles or changes in traffic conditions. Additionally, heavy rainfall can lead to standing water on the roadway, creating conditions where a vehicle can lose traction and potentially hydroplane. Hydroplaning occurs when a layer of water builds between the tires and the road surface, which can cause the vehicle to lose control. This makes it essential for drivers to reduce speed and maintain a safe distance from other vehicles to allow for adequate stopping time and to recover control if hydroplaning occurs. Awareness of these factors is vital for ensuring safety during inclement weather conditions.