Hazard Warning Signal [Transportation] Law and Legal Definition

According to 49 CFR 393.5 [Title 49 – Transportation; Subtitle B -- Other Regulations Relating to Transportation; Chapter III -- Federal Motor Carrier Safety Administration, Department of Transportation; Subchapter B -- Federal Motor Carrier Safety Regulations; Part 393 -- Parts and Accessories Necessary for Safe Operation; Subpart A – General], hazard warning signal means “the lamps that flash simultaneously to the front and rear, on both the right and left sides of a commercial motor vehicle, to indicate to an approaching driver the presence of a vehicular hazard.”