New South Wales · Driver Knowledge Test (DKT) · Road safety

In good driving conditions, what gap do most people need behind the vehicle in front to react and respond safely?

The answer

  • 2 seconds
  • 3 seconds Correct
  • 6 seconds
  • 1 second

Why that's the answer

In good conditions most people need a 3-second crash avoidance space — the '3-second gap' — to react to and respond to a situation safely.

Where this rule comes from

Take the full New South Wales practice test (153 questions)

More NSW DKT questions

Same topic first — road safety trips up more learners than any single rule.

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