The double white line along the centre of the road is unbroken on your side. When may you cross the line? The double white line along the centre of the road is unbroken on your side. When may you cross the line?

• Possible answers:

   
• A. To overtake any maintenance vehicle in front
• B. To overtake a pedal cycle travelling at 10 mph or less
• C. To check it's safe to overtake the vehicle in front
• D. To overtake a driver travelling at 20 mph or less