216Whenever the load upon any vehicle extends to the rear one hundred twenty-five centimetres or more beyond the bed or body of such vehicle there shall be displayed at the extreme rear end of the load, at the times specified in section 207 hereof, a red light or lantern plainly visible from a distance of at least one hundred fifty metres to the sides and rear, and the red light or lantern required under this section shall be in addition to the red rear light required upon every vehicle, and at any other time there shall be displayed at the extreme rear end of such load a red flag or cloth not less than thirty centimetres square and so hung that the entire area is visible to the driver of a vehicle approaching from the rear.