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Caroline Russell AM calls for London-wide rollout of 20mph limits and trials of further speed reductions

Caroline Russell stands on a London street
Created on
21 May 2025

Transport for London (TfL) has released new findings showing that 20mph speed limits significantly reduce the number of deaths and serious injuries on London’s roads.  

In response to this research, Caroline Russell, Green Party member of the London Assembly, has called for a wider implementation of these measures, urging the Mayor and boroughs to rollout 20mph speeds limits across London and explore further speed reductions.  

Green Party London Assembly Member Caroline Russell said:  

“At last, we have strong evidence from Transport for London’s research that 20mph speed limits significantly reduce the numbers of people dying and being seriously injured on our roads.  

“We now have a tool at our disposal that clearly saves lives, and we should be rolling it out across the whole of London and trialling further speed reductions, such as 10mph, for roads passing sensitive locations like schools, hospitals, doctor's surgeries, shops, leisure facilities and more. 

“Every road death is preventable, let’s stop acting like it's just part of life. 

“It is unacceptable that the convenience of people using motor vehicles outweighs the safety of people walking, wheeling and cycling in our densely crowded city. 

“The Mayor and the boroughs owe it to every bereaved family and seriously injured Londoner to use this evidence to make our roads much safer.”  


Notes to editors

Editors’ notes:  

  • Caroline Russell AM is available for interview 

  • TfL’s latest findings can be found here  

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