Western Australia · Theory Test (CTT) · Road rules

In good conditions, what following gap does WA recommend you keep behind the vehicle in front?

The answer

  • Exactly 4 seconds at all times
  • One car length for every 10 km/h of speed
  • 1 second
  • At least 2 seconds, increased in poor conditions Correct

Why that's the answer

WA guidance is to keep at least a 2-second gap behind the vehicle ahead in good conditions. Increase the gap when the road is wet, visibility is poor or you are towing.

Where this rule comes from

Take the full Western Australia practice test (95 questions)

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