A new traffic light system aimed at reducing congestion is being rolled out in parts of Europe. The latest innovation has emerged in Granada, in southern Spain’s Andalusia region, where traffic signals will now briefly display both the red and orange lights simultaneously before turning green.
The combined red-and-orange signal is intended to serve as a warning to drivers, allowing them to prepare to move as soon as the light changes, thereby improving traffic flow.
Several European countries, including the United Kingdom, already use the system, which authorities say has helped ease congestion.
The local rollout of the measure at most traffic lights in Granada , which can introduce local traffic regulations within the framework set by Spain’s General Directorate of Traffic (DGT).
In Spain, a special office oversees road traffic nationwide, allowing the degree of autonomy granted to some Spanish municipalities.
However, even in those autonomous communities, authorities must comply with Spain’s General Traffic Regulations, which have ultimate authority over traffic control both in urban areas and on highways.
Cities may, for example, introduce new road signs and put them into operation, provided they are not already included in the official catalogue of signs and do not conflict with existing national regulations.