You're in the right-hand lane of a dual carriageway. What should you do when you see this sign? You're in the right-hand lane of a dual carriageway. What should you do when you see this sign?

• Possible answers:

   
• A. Move into a lane on your left in good time
• B. Move into a lane on your left immediately
• C. Wait to see which lane is moving faster
• D. Keep in the right-hand lane for as long as you can