Restricting cars in cities: A cost-benefit analysis of Low Emission Zones

Faced with unmanageable traffic and health-threatening air quality, hundreds of cities across Europe are adopting measures to reduce the number of vehicles clogging their streets, with the aim of lowering air pollution levels and improving the quality of life for people who live and work there. Most are doing this by introducing Low Emission Zones (LEZs) in their city centers.