Visibility

All lamps used on a motor vehicle except a motorcycle shall be  so arranged,  adjusted and operated, as to avoid dangerous glare or dazzle. Except as provided in paragraph  (d)  of  this  subdivision,  the  upper outline  of  any  beam  of  dazzling  light projected to the left of the longitudinal axis of the vehicle by the lowermost light distribution  of a  headlamp  designed to produce more than one light distribution, or by the single light distribution of any other lamp used  on  such  a  motor vehicle,  shall  not  rise  higher than the lamp center at a distance of twenty-five feet nor higher than  forty-two  inches  at  a  distance  of seventy-five  feet.  In  each  case,  the  height  of  the beam shall be measured from the plane upon which the vehicle stands and  the  distance shall be measured from the lamp projecting the light.

No  lamp  shall  be used on a motor vehicle having a light source greater than thirty-two candle power, unless such lamp  is  approved  by the  commissioner  as  provided  by this section. The provisions of this paragraph shall not  apply  to  any  light  which  is  permitted  to  be displayed only on an authorized emergency vehicle, a hazard vehicle or a vehicle  which is permitted to display a blue or green light pursuant to paragraphs four and five of subdivision forty-one of this section.

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