§ 390.110. Colors of Various Lamps — Restriction of Red Lights.  


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  • Headlamps, when lighted, shall exhibit lights substantially white in color; auxiliary lamps, cowllamps and spotlamps, when lighted, shall exhibit lights substantially white, yellow or amber in color. No person shall drive or move any vehicle or equipment, except a school bus when used for school purposes or an emergency vehicle upon any street or highway with any lamp or device thereon displaying a red light visible from directly in front thereof.