When is it important to increase following distance in bad weather?

Increasing following distance in bad weather is crucial for two main reasons related to visibility and road conditions.

When visibility is poor, such as during heavy rain, fog, or snow, it becomes more difficult to see other vehicles, traffic signals, and road signs. By increasing the following distance, drivers give themselves additional time to react to unforeseen circumstances, such as a vehicle suddenly stopping or a pedestrian walking into the roadway. This extra space allows for better reaction time and reduces the likelihood of collisions.

Additionally, when the road is slick due to rain, ice, or snow, vehicles require a greater distance to come to a complete stop. Wet or icy surfaces can reduce tire traction, making it easier for a vehicle to skid or lose control. By maintaining a larger following distance, drivers can better accommodate the extended stopping distance needed in these conditions, thereby enhancing safety.

In summary, both poor visibility and slick road conditions necessitate an increased following distance to ensure a safer driving experience.