Paris Traffic-Restricted Zone Cuts Vehicle Traffic by 18%, Airparif Study Finds Cities Featured Paris Traffic-Restricted Zone Cuts Vehicle Traffic by 18%, Airparif Study Finds EuroTraffic September 29, 2026 A new assessment of Paris’s traffic-restricted zone indicates a measurable reduction in vehicle movements and nitrogen dioxide... Read More Read more about Paris Traffic-Restricted Zone Cuts Vehicle Traffic by 18%, Airparif Study Finds