Which of the following is true regarding a lane marked with a curved arrow and the word "ONLY"?

• Drivers in that lane must turn in the direction of the arrow.
  Explanation:

  "The lane marked with a curved arrow and the word ONLY indicates that drivers in that lane are obligated to turn in the direction of the arrow."
• Drivers in that lane have the option to turn left or right.
• Drivers in that lane must go straight regardless of the arrow.
• Drivers in that lane must turn in the opposite direction of the arrow.