Effects of Low Emission Zones in European cities

Most Low Emission Zones have been implemented because the cities did not comply with the EU Limit Values for local air quality. In a new report, researchers at TOI investigate regulations for and enforcement of European Low Emission Zones (LEZs) and evaluate the effect of LEZs on local air quality.

A Low Emission Zone is a defined area where access for the most polluting vehicles is regulated, either by a total ban or a fee. In Europe there are now around 260 LEZs in operation in different cities. An overweight of countries that have LEZs, have implemented the measure because they did not comply with the EU Limit Values for local air quality.

The zones were previously used primarily to reduce the use of older heavy duty vehicles, but several countries have now also introduced requirements for other categories of vehicles. E.g. cars and vans.

Low emission zones, LEZ

Traffic sign for low emisson zone. Photo: Shutterstock

The overall effect of LEZs on air quality is difficult to evaluate because of several methodical challenges. With improved knowledge on real emissions from road traffic the future LEZs can be better adapted to the needs of the cities.

LEZ experiences in seven different countries

However, there are several interesting experiences and learnings one can draw from various cities and countries that have implemented LEZ-regulations. The report presents LEZ regulations and effects in cities in Sweden, Germany, Belgium, France, Netherlands, the city of London as well as experiences from Environmental road pricing in Oslo.

The report is financed by the Swedish Transport Agency.

Full report in English: Low Emission Zones in Europe. Requirements, enforcement and air quality. TØI report 1666/2018. Authors: Astrid H. Amundsen and Ingrid Sundvor

Contacts:
Astrid Helene Amundsen
aha@toi.no
Institute of Transport Economics (TØI), Norway

 

Ingrid Sundvor
isu@toi.no
Institute of Transport Economics (TØI), Norway

 

 

 

 

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