How does the posted speed limit and road conditions influence following distance and stopping distance for an emergency response vehicle?

• A. Use a minimum two-second following distance on dry pavement; increase to four to six seconds in rain, ice, snow, or low visibility; adjust for vehicle weight, road grade, and braking efficiency when using lights and sirens.
• B. Always maintain a four-second gap regardless of conditions.
• C. Always follow at least one second.
• D. Following distance is unnecessary when using lights.

Answer: (A)