§ 29.1391. Minimum intensities in the horizontal plane of forward and rear position lights.
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/us/cfr/t14/s§ 29.1391·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
Each position light intensity must equal or exceed the applicable values in the following table: Dihedral angle (light included) Angle from right or left of longitudinal axis, measured from dead ahead Intensity (candles) L and R (forward red and green)0° to 10° 10° to 20° 20° to 110°40 30 5 A (rear white)110° to 180°20