Which of the following driving offences results in three demerit points?

• Exceeding the speed limit by 16 to 29 km/h
• Improper use of a high-occupancy vehicle (HOV) lane
• Driving through, around, or under a railway crossing barrier
• All of the above
  Explanation:

  "The following driving offences result in three demerit points: (1) Exceeding the speed limit by 16 to 29 km/h (2) Improper use of a high-occupancy vehicle (HOV) lane. (3) Driving through, around, or under a railway crossing barrier."