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Two yellow lights warning of a diverging route.
Also known as: French speed warning, Double yellow French
The French signal ralentissement, two yellow lights, warning that a reduced speed will be required at the signal ahead.
Warns that a reduced speed will be required at the signal ahead on the French network.
Contexts: Public information
Repeats the one-versus-two lamp distinction the stop signals use, so the same counting rule separates warnings as separates stops.
Contexts: Public information
Two lit round lamps showing together on the head, distinguishing the speed warning from the single lamp of the stop warning.