(a) Except as provided by Subsection (b), a person who operates, outside an urban district or on a divided highway, a truck, bus, or truck-tractor or a motor vehicle towing a house trailer shall carry in the vehicle:(1) at daytime:(A) at least two red flags at least 12 inches square; and(B) standards to support the flags; and(2) at nighttime:(A) at least three flares and at least three red-burning fusees;(B) at least three red electric lanterns; or(C) at least three portable red emergency reflectors.(b) A person who operates an explosive cargo vehicle at nighttime:(1) shall carry in the vehicle three red electric lanterns or three portable red emergency reflectors; and(2) may not carry in the vehicle a flare, fusee, or signal produced by flame.(c) A flare, electric lantern, or portable reflector must be visible and distinguishable at a distance of at least 600 feet at night under normal atmospheric conditions.(d) A portable reflector unit must be designed and constructed to reflect a red light clearly visible at all distances from 100 to 600 feet under normal atmospheric conditions at night when directly in front of lawful lower

unit must be designed and constructed to reflect a red light clearly visible at all distances from 100 to 600 feet under normal atmospheric conditions at night when directly in front of lawful lower beams of headlamps.(e) A flare, fusee, electric lantern, portable reflector, or warning flag must be a type approved by the department. Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995.