ULEZ expansion not showing expected gains yet – report

A new report suggests the expansion of London’s Ultra Low Emission Zone has had limited impact on pollution in the new areas.

LondraGazette has seen the Transport for London report which found no change in levels of pollutants since ULEZ expanded to the North and South Circular roads in October 2021.

But roadside nitrogen dioxide levels in the expanded zone had dropped by 43% since 2017, the report said.

It says since its introduction in 2017, the Central London zone has seen a 29% drop in levels of PM2.5, while Inner London has seen a 16% drop in PM2.5 during the same period.

But during these years, there have been fuel shortages, coronavirus lockdowns and a cost-of-living crisis. As such, TfL said it was “difficult to definitively attribute changes in emissions and concentrations to the impacts of the ULEZ”.

(Picture – Imperial College)

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