You're driving on a single carriageway road. Why should you keep well back while you're following a large vehicle? You're driving on a single carriageway road. Why should you keep well back while you're following a large vehicle?

• Possible answers:

   
• A. To give yourself acceleration space if you decide to overtake
• B. To get the best view of the road ahead
• C. To leave a gap in case the vehicle stops and rolls back
• D. To offer other drivers a safe gap if they want to overtake you