Sadler Consultants is run by Lucy Sadler, with over 20 years of air quality and transport policy, from technical, through research, to policy and implementation. She has run her own Consultancy since 2005 specialising in air quality and transport policy, and particularly European Urban Vehicle Access Regulations such as Low and Zero Emission Zones.

Lucy is a world-renown expert in Europe’s Low Emission Zones (LEZs) and Urban Vehicle Access Regulations (UVARs), and increasingly Zero Emission Zones. Lucy has run Europe’s Low Emission Zone and Vehicle Access Regulations website since 2007 (see, providing complete and updated information on access regulations for all. Information is available on the website, or in other data formats on a paid-for basis.

As head of air quality for the Mayor of London, Lucy led the first London Air Quality Strategy; developing the Low Emission Zone and congestion charging, and has since gained much experience from around Europe, to have detailed expert insights into Access Regulations.

Key Projects:

Lucy has run the EU-wide Urban Vehicle Access Regulation portal since 2007. It provides updated, detailed and reliable information for low emission zones, zero emission zones, congestion charges, limited traffic zones, and other access regulation schemes in Europe.
For the one-stop for European Access Regulations, also providing data and advice on access regulations:

Lucy leads the Zero Emission Zone workstream in the EU UVAR project, ReVeAL.

For more information, see my CV, or me directly.

Sadler Consultants trades as Sadler Consultants Europe GmbH, and is a German registered company.