Tex.
Transp. Code Section 547.333
Multiple-beam Lighting Equipment Required
(a)
Unless provided otherwise, a headlamp, auxiliary driving lamp, auxiliary passing lamp, or combination of those lamps mounted on a motor vehicle, other than a motorcycle or moped:(1)
shall be arranged so that the operator can select at will between distributions of light projected at different elevations; and(2)
may be arranged so that the operator can select the distribution automatically.(b)
A lamp identified by Subsection (a) shall produce:(1)
an uppermost distribution of light or composite beam that is aimed and emits light sufficient to reveal a person or vehicle at a distance of at least 450 feet ahead during all conditions of loading; and(2)
a lowermost distribution of light or composite beam that:(A)
is aimed and emits light sufficient to reveal a person or vehicle at a distance of at least 150 feet ahead; and(B)
is aimed so that no part of the high-intensity portion of the beam on a vehicle that is operated on a straight, level road under any condition of loading projects into the eyes of an approaching vehicle operator.(c)
A person who operates a vehicle on a roadway or shoulder shall select a distribution of light or composite beam that is aimed and emits light sufficient to reveal a person or vehicle at a safe distance ahead of the vehicle, except that:(1)
an operator approaching an oncoming vehicle within 500 feet shall select:(A)
the lowermost distribution of light or composite beam, regardless of road contour or condition of loading; or(B)
a distribution aimed so that no part of the high-intensity portion of the lamp projects into the eyes of an approaching vehicle operator; and(2)
an operator approaching a vehicle from the rear within 300 feet may not select the uppermost distribution of light.(d)
A motor vehicle of a model year of 1948 or later, other than a motorcycle or moped, that has multiple-beam lighting equipment shall be equipped with a beam indicator that is:(1)
designed and located so that the lighted indicator is visible without glare to the vehicle operator; and(2)
lighted only when the uppermost distribution of light is in use.
Source:
Section 547.333 — Multiple-beam Lighting Equipment Required, https://statutes.capitol.texas.gov/Docs/TN/htm/TN.547.htm#547.333 (accessed Jun. 5, 2024).
