Emergency vehicle drivers, when using lights and sirens, have the legal authority to:

• Exceed the speed limit when responding to emergencies.
• Travel in the opposite direction of traffic if necessary to reach the scene quickly.
• Pass through red traffic lights after ensuring it's safe to do so.
• All of the above.
  Explanation:

  "When using lights and sirens, emergency vehicle drivers have the legal authority to: 1) Exceed the speed limit when responding to emergencies. 2) Travel in the opposite direction of traffic if necessary to reach the scene quickly. 3) Pass through red traffic lights after ensuring it's safe to do so."