Lille (Hauts-de-France):
In Lille, differentiated traffic measures based on the Crit'Air certificate have been implemented during prolonged pollution peaks. These measures apply to all major roads in the city and only vehicles with a "Crit'Air" certificate of 0, 1, 2 or 3 are allowed to circulate during these periods. In addition, heavy goods vehicles (HGVs) complying with EURO IV, EURO V and EURO VI standards are allowed to circulate. To stay informed about the pollution periods for motorists, we recommend that you subscribe to the Lille alert system. For more information and updates on the pollution periods, please visit the official links below.