Wisconsin Statutes
Wis. Stat. § 347.06 (2026)
When lighted lamps required
✓ current as of July 2026
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347.06(1)(1) Except as provided in subs. (2) and (4), no person may operate a vehicle upon a highway during hours of darkness or during a period of limited visibility unless all headlamps, tail lamps, and clearance lamps with which the vehicle is required to be equipped are lighted. Parking lamps as described in s. 347.27 may not be used for this purpose. This subsection does not apply if lamps that are automatically activated whenever the vehicle is started are in use, if the headlamps are of sufficient intensity to satisfy the requirements for daytime running lamps under 49 CFR 571.108, S7.10.13.
347.06(2)(2) Headlamps need not be lighted on a towed vehicle or on a vehicle having at least 2 lighted adverse weather lamps on the front thereof and being operated under the circumstances described in s. 347.26 (3) (b).
347.06(3)(3) The operator of a vehicle shall keep all lamps and reflectors with which such vehicle is required to be equipped reasonably clean and in proper working condition at all times.
347.06(4)(4) A duly authorized warden, as defined in s. 24.01 (11), may operate a vehicle owned or leased by the department of natural resources upon a highway during hours of darkness or during a period of limited visibility without lighted headlamps, tail lamps, or clearance lamps in the performance of the warden’s duties under s. 29.924 (2).
347.06 HistoryHistory: 1977 c. 425; 1979 c. 32; 1981 c. 98 s. 3; 1997 a. 248; 2015 a. 165; 2017 a. 365.
Notes of Decisions
Cited in 8
cases (3 in the last 5 years), 1965–2025 · leading case: State v. Antonio D. Brown, 2014 WI 69 (Wis. 2014).
State v. Antonio D. Brown, 2014 WI 69 (Wis. 2014). “Wis. Stat. § 347.06 (3). ¶4 Because the only basis for the stop of Brown's vehicle was the unlit bulb, we conclude that there was not probable cause or reasonable suspicion to stop the vehicle.”
Gaertner v. Holcka, 580 N.W.2d 271 (Wis. 1998). “, Wis. Stat. § 347.06 , 347.09 requiring lighted headlamps before operation; Wis.”
Lewandowski v. State, 411 N.W.2d 146 (Wis. Ct. App. 1987). “Both of these sections of the motor vehicle code require that the motorist be operating the vehicle to be convicted of the equipment violation.”
Zartner v. Scopp, 137 N.W.2d 107 (Wis. 1965). “Although the accident occurred long after one-half hour after sunset, Scopp was operating his car with only the parking lights turned on, which was a violation of sec. 347.06, Stats. Because the evidence establishes that the roadway of Grandview from the Eagles Club south to…”
State v. James D. Patrick-Yance (Wis. Ct. App. 2025). “§ 347.06(1) (2023-24).1 This statute states, as relevant: [N]o person may operate a vehicle upon a highway during hours of darkness or during a period of limited visibility unless all headlamps, tail lamps, and clearance lamps with which the vehicle is required to be equipped…”
State v. James D. Patrick-Yance (Wis. Ct. App. 2025). “§ 347.06(1) (2023-24).1 This statute states, as relevant: [N]o person may operate a vehicle upon a highway during hours of darkness or during a period of limited visibility unless all headlamps, tail lamps, and clearance lamps with which the vehicle is required to be equipped…”
State v. Christopher J. Vaaler (Wis. Ct. App. 2020). “§ 347.06(1) (stating “no person may operate a vehicle upon a highway during hours of darkness … unless all headlamps … with which the vehicle is required to be equipped are lighted”); Dane Cty.”
State v. Brynton C. Foston (Wis. Ct. App. 2022). “§ 347.06(1). With the headlight evidence alone, the officer could lawfully stop and make contact with Foston, as he did, for the purpose of investigating the violation and perhaps issuing Foston a citation related to it.”
— Wis. Stat. § 347.06(1) — 4 cases
State v. James D. Patrick-Yance (Wis. Ct. App. 2025). “§ 347.06(1) (2023-24).1 This statute states, as relevant: [N]o person may operate a vehicle upon a highway during hours of darkness or during a period of limited visibility unless all headlamps, tail lamps, and clearance lamps with which the vehicle is required to be equipped…”
State v. James D. Patrick-Yance (Wis. Ct. App. 2025). “§ 347.06(1) (2023-24).1 This statute states, as relevant: [N]o person may operate a vehicle upon a highway during hours of darkness or during a period of limited visibility unless all headlamps, tail lamps, and clearance lamps with which the vehicle is required to be equipped…”
State v. Christopher J. Vaaler (Wis. Ct. App. 2020). “§ 347.06(1) (stating “no person may operate a vehicle upon a highway during hours of darkness … unless all headlamps … with which the vehicle is required to be equipped are lighted”); Dane Cty.”
State v. Brynton C. Foston (Wis. Ct. App. 2022). “§ 347.06(1). With the headlight evidence alone, the officer could lawfully stop and make contact with Foston, as he did, for the purpose of investigating the violation and perhaps issuing Foston a citation related to it.”
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