Kansas Statutes Annotated

K.S.A. § 8-1721 (2026)

Stop lamps and signal lamps; color; visibility

✓ current as of May 2026
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8-1721. Stop lamps and signal lamps; color; visibility. (a) Any vehicle may be equipped and when required under this act shall be equipped with a stop lamp or lamps on the rear of the vehicle which shall display a red or amber light, or any shade of color between red and amber, visible from a distance of not less than three hundred (300) feet to the rear in normal sunlight, and which shall be actuated upon application of the service or foot brake, and which may, but need not, be incorporated with one (1) or more other rear lamps.

(b) Any vehicle may be equipped and when required under this act shall be equipped with electric turn signals which shall indicate an intention to turn by flashing lights showing to the front and rear of a vehicle, or on a combination of vehicles on the side of the vehicle or combination toward which the turn is to be made. The lamps showing to the front shall be mounted on the same level and as widely spaced laterally as practicable and, when signaling, shall emit amber light: Provided, That on any vehicle manufactured prior to July 1, 1973, the lamps showing to the front may emit white or amber light, or any shade of light between white and amber. The lamps showing to the rear shall be mounted on the same level and as widely spaced laterally as practicable, and, when signaling, shall emit a red or amber light, or any shade of color between red and amber. Turn signal lamps shall be visible from a distance of not less than five hundred (500) feet to the front and rear in normal sunlight. Turn signal lamps may, but need not be, incorporated in other lamps on the vehicle.

(c) Every new motor vehicle sold within this state shall be equipped with turn signals meeting the requirements of subsection (b).

History: L. 1974, ch. 33, § 8-1721; July 1.

Notes of Decisions
Cited in 4 cases, 2003–2020 · leading case: Martin v. Kansas Dep't of Revenue, 176 P.3d 938 (Kan. 2008).
Martin v. Kansas Dep't of Revenue, 176 P.3d 938 (Kan. 2008). · cites it 6× “8-1708(a) requires that "[e]very motor vehicle shall be equipped with two (2) or more stop lamps meeting the requirements of subsection (a) of K.S.A. 8-1721." K.S.A. 8-1721 requires every vehicle to be "equipped with a stop lamp or lamps on the rear of the vehicle .”
State v. Schneider, 80 P.3d 1184 (Kan. Ct. App. 2003). “Schneider was charged with an additional count of failure to signal a turn, contraiy to K.S.A. 8-1721. Schneider and Ayers filed pretrial motions to suppress, alleging that the officers lacked reasonable suspicion to stop Schneider’s truck and that the subsequent detention,…”
State v. Lees, 432 P.3d 1020 (Kan. Ct. App. 2018). · cites it 8× “8-1721(a) states: "Any vehicle may be equipped and when required under this act shall be equipped with a stop lamp or lamps on the rear of the vehicle which shall display a red or amber light, or any shade of color between red and amber, visible from a distance of not less than…”
State v. Anthony (Kan. Ct. App. 2020). · cites it 6× “Anthony also argues that insufficient evidence supports her conviction of having improper brake lights (stop lamps) under K.S.A. 8-1721. She notes that the jury heard no evidence about the color, visibility, or actuation as that statute outlines; rather, the evidence showed only…”
— K.S.A. § 8-1721(a) — 2 cases
State v. Lees, 432 P.3d 1020 (Kan. Ct. App. 2018). “8-1721(a) states: "Any vehicle may be equipped and when required under this act shall be equipped with a stop lamp or lamps on the rear of the vehicle which shall display a red or amber light, or any shade of color between red and amber, visible from a distance of not less than…”
State v. Anthony (Kan. Ct. App. 2020). “Anthony also argues that insufficient evidence supports her conviction of having improper brake lights (stop lamps) under K.S.A. 8-1721. She notes that the jury heard no evidence about the color, visibility, or actuation as that statute outlines; rather, the evidence showed only…”
— K.S.A. § 8-1721(b) — 1 case
State v. Lees, 432 P.3d 1020 (Kan. Ct. App. 2018). “8-1721(a) states: "Any vehicle may be equipped and when required under this act shall be equipped with a stop lamp or lamps on the rear of the vehicle which shall display a red or amber light, or any shade of color between red and amber, visible from a distance of not less than…”
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