How far can a load overhang at the rear before you must use projection marker boards? How far can a load overhang at the rear before you must use projection marker boards?

• Possible answers:

   
• A. 1 metre (3 feet 3 inches)
• B. 1.5 metres (5 feet 0 inches)
• C. 2 metres (6 feet 6 inches)
• D. 2.9 metres (9 feet 5 inches)