Speed limits of 20mph could be applied to sections of major roads in east London in February.
Transport for London (TfL) has announced proposals to reduce the limit on roads currently restricted to 30mph, in a bid to eliminate deaths and serious injury.
In Hackney and Haringey, Stoke Newington High Street, Stamford Hill, Rectory Road and Seven Sisters Road could all be affected.
Mile End Road, Bow Road, East Smithfield, Butcher Row and the A1203 could all see speed limits tighten in Tower Hamlets.
TfL is asking for feedback on the proposals, which would also impact roads in Camden and Islington. In total, 28km of road would be impacted by these new measures.
TfL Head of Healthy Streets Investment Penny Rees said: "We are determined to eliminate deaths and serious injuries from London's roads in line with our Vision Zero goal.
"The introduction of 20mph speed limits would not only save lives but also encourage Londoners to travel in more active and sustainable ways.
"Making London's streets safer for people walking and cycling is our top priority and 20mph speed limits significantly reduce road danger.
"We really value people's feedback on our proposals and I'd encourage everybody to use this opportunity to share their views on our plans."
The changes would mean that almost all the roads in the five boroughs will have a consistent 20mph limit on both the TfL and the borough networks.
Jeremy Leach, London Campaign Coordinator for 20's Plenty for Us, added: "Vehicle speeds have a huge impact on how safe it is to walk and cycle and, just as importantly, how safe walking and cycling feel.
"Having a consistent 20mph limit on almost all of the TfL roads across these five boroughs will help enormously in bringing vehicle speeds down on these roads and making them safer and more attractive for everyone who uses them."
People hit by a vehicle at 20mph are around five times less likely to be fatally injured than at 30mph.
Subject to the consultation, works to introduce the new speed limits could begin in February 2023.
The measures are part of a larger TfL project to reduce speed limits on 220km of its roads by 2024.
Have your say about TfL's new proposals at haveyoursay.tfl.gov.uk/lowering-speed-limits.
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