20mph London: Speed limit cut on over half of roads

More than half of all London roads now have 20mph limits. Do the stats back the low-speed zones? Air quality, MPG and community benefits explained. Our City Hall and Transport Editor Ross Lydall and Jeremy Leach from 20’s Plenty For Us discuss the rationale behind the 20mph zones, and whether they’re working for London. In this episode:How do we know that 20mph zones work?Why London drivers are opposed to the low-speed zonesMayor Sadiq Khan’s ambitions targets for collisionsCould 20 become the new 30 everywhere?Follow us on X or on Threads. Hosted on Acast. See acast.com/privacy for more information.