When following another vehicle, how much driving time should you maintain between yourself and the vehicle

Question

Question: When following another vehicle, how much driving time should you maintain between yourself and the vehicle you are following?

Options:

1.  3 seconds
2.  1 second
3.  4 seconds
4.  2 seconds

Answer 1

3.)  4 seconds

When following another vehicle, you should maintain driving time of 4 seconds between yourself and the vehicle you are following.