During a lesson your pupil is driving along a motorway. When may they overtake on the left? During a lesson your pupil is driving along a motorway. When may they overtake on the left?

• Possible answers:

   
• A. When they’re approaching their exit slip road
• B. When overhead gantry signs tell them it's permitted
• C. When drivers in the middle lane are driving more slowly but not returning to the left lane
• D. When there's queuing traffic and traffic in their lane is moving faster than traffic in the lane on their right