(a) Except as provided by Subsection (b), a motor vehicle, trailer, semitrailer, or pole trailer shall be equipped with electric turn signal lamps that indicate the operator’s intent to turn by displaying flashing lights to the front and rear of a vehicle or combination of vehicles and on that side of the vehicle or combination toward which the turn is to be made.
(b) Subsection (a) does not apply to a passenger car or truck less than 80 inches wide manufactured or assembled before the model year 1960.

(c) Turn signal lamps:
(1) shall be mounted at the same level and spaced as widely apart as practicable on the front and on the rear of the vehicle; and
(2) may be included as a part of another lamp on the vehicle.
(d) A turn signal lamp shall emit:
(1) a white or amber light, or a color between white and amber, if the lamp is mounted on the front of the vehicle; or
(2) a red or amber light, or a color between red and amber, if the lamp is mounted on the rear of the vehicle.
(e) A turn signal lamp must be visible in normal sunlight at a distance of:
(1) at least 500 feet from the front and rear of the vehicle if the vehicle is at least 80 inches wide; and
(2) at least 300 feet from the front and rear of the vehicle if the vehicle is less than 80 inches wide.