The French term for this is "onde verte" ("green wave"), and from memory it is/was mentioned somewhere in the French traffic code. Here is a reference (in Frenc

The French term for this is "onde verte" ("green wave"), and from memory it is/was mentioned somewhere in the French traffic code. Here is a reference (in French) https://fr.wikipedia.org/wiki/Carrefour_%C3%A0_feux#Coordinations https://fr.wikipedia.org/wiki/Carrefour_%C3%A0_feux#Coordina.... That said, as far as I know that this is specific to France at all.