Restricted traffic areas and measures taken in the event of a peak air pollution are not permanent. All town halls are likely to take such measures. Currently, Paris, Lyon, Lille, Strasbourg and Grenoble have made the decision to set up this system. Contact the city hall or the prefecture concerned in case of doubt (
click here to access the directory of public services ) You will find additional information by clicking on the two following links:
Ministry of ecology / Service-public.fr .