AZ SB1438

Amends section 28-925 to change tail lamp requirements from "the" tail lamp to "each" tail lamp, requiring all tail lamps to emit red light visible from 500 feet to the rear.

Modifies section 28-927 to require that every stop lamp on a vehicle meets specified requirements, changing from singular "a stop lamp" to plural "every stop lamp."

Updates section 28-939 to clarify that each stop lamp, tail lamp, or signal lamp must be maintained in good working condition and not project glaring light, establishing visibility requirements of 100 feet for stop lamps during both day and night.