Practice question

What is the safe following distance recommended between your vehicle and the one ahead?

  1. At least one second
  2. At least three seconds
  3. At least five seconds
  4. At least ten seconds

Answer: B — At least three seconds

A safe following distance is crucial for maintaining control of your vehicle and ensuring adequate time to react in case the vehicle in front of you suddenly stops or slows down. The recommended distance of at least three seconds allows for a buffer zone that accommodates a variety of driving conditions, such as adverse weather, road conditions, and differences in vehicle types and speeds. To determine this distance practically, drivers can use a landmark method: when the vehicle in front of you passes a fixed object, start counting "one thousand one, one thousand two, one thousand three." If you reach the landmark before finishing this count, you are following too closely. Maintaining a three-second gap helps provide enough time to assess potential hazards and take appropriate action, promoting safer driving habits. A following distance of one second is insufficient, as it does not allow adequate reaction time, especially in emergencies. Five or ten seconds may be excessive under normal driving conditions, and while it can be advantageous in specific circumstances (like poor visibility or hazardous weather), three seconds serves as a more appropriate standard for everyday driving scenarios.

Practice more: Massachusetts Registry of Motor Vehicles (RMV) Practice Test →