Whenever the road lighting equipment on a motor vehicle is so arranged that the driver may select at will between two (2) or more distributions of light from headlights or lamps or auxiliary road lighting lamps or lights, or combinations thereof, directed to different elevations, the following requirements shall apply while driving during the times when lights are required:

(1) When there is no oncoming vehicle within five hundred feet (500′), the driver shall use an upper distribution of light; provided, that a lower distribution of light may be used when fog, dust, or other atmospheric conditions make it desirable for reasons of safety, and when within the confines of municipalities where there is sufficient light to render clearly discernible persons and vehicles on the highway at a distance of five hundred feet (500′) ahead and when following another vehicle within five hundred feet (500′); and

Terms Used In Tennessee Code 55-9-407

  • Driver: means :
    (A) For purposes of a conventionally operated vehicle, every person who drives or is in actual physical control of a vehicle. See Tennessee Code 55-8-101
  • Highway: means the entire width between the boundary lines of every way when any part thereto is open to the use of the public for purposes of vehicular travel. See Tennessee Code 55-8-101
  • Road: includes public bridges and may be held equivalent to the words "county way" "county road" or "state road". See Tennessee Code 1-3-105
  • Vehicle: means every device in, upon or by which any person or property is or may be transported or drawn upon a highway, excepting devices used exclusively upon stationary rails or tracks. See Tennessee Code 55-8-101
(2) When within five hundred feet (500′) of an oncoming vehicle, a driver shall use a distribution of light so aimed that the glaring rays therefrom are not directed into the eyes of the oncoming driver.
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