The zone was first introduced in April 2019 and charges non-compliant vehicles – mostly diesel cars that are more than six years old and petrol cars that are more than 15 years old – £12.50 for each day they are in the zone. TfL said that more than four in five vehicles in outer London, which would be affected by the expanded zone, already meet ULEZ standards.
The newly proposed boundary would cover almost all (96 per cent) of Greater London and is designed to make sure there are opportunities for vehicles to turn around should they not wish to enter the Zone.
Six months after the rules were originally introduced, roadside nitrogen dioxide (NO2) pollution was shown to have fallen by 36 per cent when compared to February 2017.
The ULEZ was already expanded significantly in October last year to cover the area inside the North and South Circular roads.
TfL said the zone needed to be expanded to “protect the health and wellbeing of Londoners”, adding that...