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New 20mph speed limit across Westminster

Information about the new 20mph speed limit on Westminster’s streets.

We have introduced a 20mph speed limit on all roads in the borough 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 has been introduced following consultation with residents and businesses. 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.

Safer, Greener and Cleaner

The new speed limit is part of our 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 Greener City Action Plan


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

Published: 20 January 2021

Last updated: 5 March 2021