In ideal driving conditions, what should the minimum distance be between cars?

Explanation: Use the two-second rule to judge if there's enough distance between you and the vehicle in front. Choose a stationary object by the road ahead, then say the following to yourself as the vehicle in front passes it: Only a fool breaks the two-second rule. If you can't complete the phrase before passing the object, you're too close and should drop back further.

Category: Safety margins