To which side should you move if an emergency vehicle is approaching with its siren on?

• Move back or forth on one-way streets.
• Move right or left to the nearest curb on one-way streets.
  Explanation:

  "When an ambulance, fire, or police emergency vehicle is approaching from any direction and is sounding a siren, move right or left to the nearest curb on one-way streets."
• Stop the vehicle.
• Keep going in your lane without changing directions.