Practice question

What does a 'Keep Left Unless Overtaking' sign mean on an NT highway?

  1. Only slow-moving vehicles must keep left; other vehicles may use the right lane freely
  2. You must drive in the left lane and only move to the right lane when overtaking
  3. Both lanes are equal; keep left is a courtesy only
  4. The rule only applies to heavy vehicles and trucks

Answer: B — You must drive in the left lane and only move to the right lane when overtaking

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