Kansas Statutes Annotated

K.S.A. § 8-1722 (2026)

Vehicular hazard warning lamps; warning lamps on police vehicles; trash trucks

✓ current as of May 2026

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8-1722. Vehicular hazard warning lamps; warning lamps on police vehicles; trash trucks. (a) Any vehicle may be equipped with lamps for the purpose of warning the operators of other vehicles of the presence of a vehicular traffic hazard requiring the exercise of unusual care in approaching, overtaking or passing.

(b) Every bus, truck, truck tractor, trailer, semitrailer or pole trailer 80 inches or more in overall width or 30 feet or more in overall length shall be equipped with lamps meeting the requirements of this section.

(c) Vehicular hazard warning signal lamps used to display such warning to the front shall be mounted at the same level and as widely spaced laterally as practicable, and shall display simultaneously flashing amber lights. On any vehicle manufactured prior to January 1, 1969, the lamps showing to the front may display simultaneously flashing white or amber lights, or any shade of color between white and amber. The lamps used to display such warning to the rear shall be mounted at the same level and as widely spaced laterally as practicable, and shall show simultaneously flashing amber or red lights, or any shade of color between amber and red. Such warning lights shall be visible from a distance of not less than 500 feet in normal sunlight.

(d) Any police vehicle, when used as an authorized emergency vehicle, may be equipped with warning lamps mounted as widely spaced laterally as practicable, either inside such vehicle in front of the rear window or on the roof of such vehicle, and capable of displaying two alternately flashing amber lights to the rear of such vehicle. Such warning lamps may be used in lieu of or in combination with any other vehicular hazard warning signal lamps used to display such warning to the rear, and shall be visible from a distance of not less than 500 feet in normal sunlight.

(e) Every truck designed and used for collection and disposal of domestic or commercial waste or trash shall be equipped as provided in subsection (c) and shall operate such lamps when collecting or transporting waste or trash and traveling 15 miles per hour or less.

History: L. 1974, ch. 33, § 8-1722; L. 1975, ch. 39, § 22; L. 1978, ch. 39, § 1; L. 1981, ch. 45, § 1; July 1.

Notes of Decisions

Cited in 4 cases (1 in the last 5 years), 1983–2021 · leading case: Thornton v. Shore, 666 P.2d 655 (Kan. 1983).

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Thornton v. Shore, 666 P.2d 655 (Kan. 1983). · cites it 2× “"( b ) A police vehicle when used as an authorized emergency vehicle may, but need not, be equipped with flashing red lights specified herein, but any flashing *743 lights, including rotating or oscillating lights, used on a police vehicle, other than the flashing lights…”

United States v. Mesa-Roche, 288 F. Supp. 2d 1172 (D. Kan. 2003). “8-1720, and amendments thereto, or subsection (d) of K.S.A. 8-1722, arid amendments thereto, shall do either of the following: (1) if the driver of the motor vehicle is traveling on a highway that consists of at least two lanes that carry traffic in the same di- rection of…”

State v. Lees, 432 P.3d 1020 (Kan. Ct. App. 2018). “8-1706 (taillights); K.S.A. 8-1722 (hazard lights). Finally, the State highlights the fact that to understand the brake light laws in Kansas, two statutes, K.”

State v. Thompson (Kan. Ct. App. 2021). · cites it 2× “8-1720, and amendments thereto, or subsection (d) of K.S.A. 8-1722, and amendments thereto, shall do either of the following: (1) If the driver of the motor vehicle is traveling on a highway that consists of at least two lanes that carry traffic in the same direction of travel…”

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