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New 20mph speed limit across Westminster

We are introducing a 20mph speed limit on all our roads, as part of our commitment to making our streets safer, healthier and cleaner for everyone. Slowing down traffic speed reduces the severity of accidents and makes it safer to walk and cycle – helping improve public space and encourage healthier, more active lifestyles.

The speed limit is being introduced following consultation with residents and businesses last year. Lower speed limits were supported by an overwhelming majority of residents, who feel it would be safer to walk and cycle in their community as a result. The consultation found that 66% of respondents were in support of the proposed scheme. Further details on the consultation responses and the Cabinet Member’s decision can be found here.

The new speed limit is part of the council’s plans to provide safer, greener, and cleaner streets. We are also campaigning to improve air quality around schools, create low emissions neighbourhoods, improve energy efficiency, enhance green space and much more. Find out more about our action plan for a greener city.


If you have any questions, please email the 20mph team at

Last updated: 15 July 2020