Amsterdam, the capital of the Netherlands and the country's most populated city, is launching a new trial with LED lighting at intersections. Thanks to this remarkable lighting, it is aimed for cyclists to see the red light more easily and to prevent accidents.
There are many concept designs for traffic lights on the internet. Nowadays, it is technically possible and cost-effective to put all colors in a single traffic signal light module. So why are three separate light modules still used for three different colors?