C.F.R. » Title 49 » CHAPTER III—FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION › SUBCHAPTER B—FEDERAL MOTOR CARRIER SAFETY REGULATIONS › PART 392—DRIVING OF COMMERCIAL MOTOR VEHICLES › Subpart D—Use of Lighted Lamps and Reflectors

49 C.F.R. § 392.33

Obscured lamps or reflective devices/material

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(a) No commercial motor vehicle shall be driven when any of the lamps or reflective devices/material required by subpart B of part 393 of this title are obscured by the tailboard, or by any part of the load or its covering, by dirt, or other added vehicle or work equipment or otherwise.

(b) Exception. The conspicuity treatments on the front end protection devices of the trailer may be obscured by part of the load being transported.

[70 FR 48025, Aug. 15, 2005]
Notes of Decisions
Cited in 2 cases (1 in the last 5 years), 2015–2025 · leading case: Westfreight Sys. Inc. v. John Michael Heuston, Individually & as Dependent Adm'r of the Est. of Juana Garza, & Geronimo Rodriguez, Individually (Tex. App. 2015).
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Westfreight Sys. Inc. v. John Michael Heuston, Individually & as Dependent Adm'r of the Est. of Juana Garza, & Geronimo Rodriguez, Individually (Tex. App. 2015). · cites it 3× “2 49 CFR § 392.33 (a)......................”
Toral v. Hawk (E.D. Tex. 2025). “See Pilgrim’s Pride, 2012 WL 381714 , at *9 (analyzing 49 C.F.R. §§ 392.33 (a), 393.11, 393.22, and 393.”
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