Which statement best describes the three-second rule for following distance?

• A. A rule to stop within three seconds of a traffic signal.
• B. A guideline for safe following distance; maintain a three-second gap under normal conditions (more in poor weather or high speeds).
• C. A recommendation to keep three car lengths between you and the vehicle in front.
• D. A guideline to accelerate to pass another vehicle in three seconds.

Answer: (B)