Transportation & Infrastructure What is the ISO standard for traffic lights? February 6, 2026 by Myaya | Leave a Comment Traffic lights are essential for regulating traffic flow and ensuring road safety. The ISO standard for traffic lights is ISO 16542, which provides guidelines for the design, colors, and functionality of traffic signal systems. This standard helps maintain consistency and safety across different regions. What is the ISO Standard for Traffic Lights? The ISO 16542 […] Read more ยป