20's Plenty for Us

@20splenty.bsky.social

For the 5th consecutive year child casualties have flat-lined at around 13,000 road casualties of age 16 and under. In what other area of life would the death or injury of 13,000 children be "acceptable"? The government has a Road Safety Strategy that aims to reduce child KSIs by 70%.

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UN members (except USA) have committed to setting speed limits based on human tolerance to injury (survivable speed limit) in its Progress Declaration. This aligns with the UK adoption of a Safe System Approach in its Road Safety Strategy. For urban/village streets that norm is 20mph

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Good to see the DM being asked a question and getting experts to answer it. The report concluded that the additional energy required for the engine to repeatedly accelerate up to a 30mph speed limit in stop–start driving means 20mph zones are generally more fuel–efficient.

Does my car use more fuel at 20mph than at 30mph?

I live in North London, where roads now have a 20mph limit - and I'm convinced that I'm filling up with fuel more often.

dailymail.com

In 2013 the UK Gov guidance on setting 20mph encouraged doing so on main roads. As progressive authorities across UK did so, it has built the evidence that 20mph main roads with previous higher speeds and pedestrian interactions record greater speed reductions and 25% casualty reductions. #20splenty

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We asked Gemini a couple of simple questions starting with: "𝗖𝗮𝗻 𝘁𝗵𝗲 𝗨𝗞 𝗴𝗼𝘃𝗲𝗿𝗻𝗺𝗲𝗻𝘁 𝗺𝗲𝗲𝘁 𝗶𝘁𝘀 𝗿𝗼𝗮𝗱 𝘀𝗮𝗳𝗲𝘁𝘆 𝘀𝘁𝗿𝗮𝘁𝗲𝗴𝘆 𝘁𝗮𝗿𝗴𝗲𝘁𝘀 𝗮𝗻𝗱 𝗸𝗲𝗲𝗽 𝟯𝟬𝗺𝗽𝗵 𝗮𝘀 𝗮𝗻 𝘂𝗿𝗯𝗮𝗻 𝗻𝗼𝗿𝗺?" The answer was very clear.

The Government in its Road Safety Strategy commits to reduce child road casualties by 70% by 2035. It also wants 60% of children walking or cycling to school by 2035. These won't be achieved if 30mph is kept as an urban/village norm. Our comment details why and how to deliver #20splenty nationally.

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“I am not prepared to compromise on the safety and happiness of our children.” says Sir Keir Starmer of the planned social media ban. Of course children's safety and happiness also applies in the public spaces between buildings that we call streets. It's why #20splenty where children are.

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Some say cars are getting safer They are still made of steel and weigh 1-3 tons Regardless of powerful brakes, low speed stopping is dependent on thinking time and tyre/road friction Physics says Kinetic Energy is proportional to speed squared It's why #20splenty wherever people are.

In 2021 we were asked to present at the Road Safety GB Festival of Road Safety on the call for a national urban/village 20mph default speed limit. It's still valid and since then the data is even clearer that 20mph reduces casualties by 20-30%. Its time for 20mph vimeo.com/642715509?fl...

20's Plenty as a national urban speed limit

This is "20's Plenty as a national urban speed limit" by 20's Plenty on Vimeo, the home for high quality videos and the people who love them.

vimeo.com

New analysis from the Welsh 20mph default shows that casualty reduction estimates when excluding roads that didn't change speed limit is -37%. Even allowing for a -5% long term trend this means a 32% reduction on roads changed from 30mph to 20mph. A powerful indicator that #20splenty

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Our 5th free Webinar on "Delivering 20" is Friday at noon. Over 430 already registered. Find out how 20mph limits are making the difference in communities across the UK. Register at

Welcome! You are invited to join a webinar: 20mph for Safer Streets: Evidence, Delivery and Impact. After registering, you will receive a confirmation email about joining the webinar.

The 5th in our Delivering 20 webinar series. Attendees will hear how lowering the speed limit from 30mph to 20mph in built up areas would make a significant contribution towards delivering the 65% (70% for children 16 and under) casualty reduction targets outlined in the Government’s Road Safety Strategy.   Hear councillors and officers from Local Highway Authorities report on how they have already delivered 20mph limits and the significant casualty reductions they are seeing. Learn about barriers to implementing 20mph and how the Government’s RSS can deliver a country-wide blueprint to deal with these barriers and protect all road users.     The webinar will also include a preview of the upcoming Vision Zero Conference in Birmingham on 30 June and the latest news from Wales on the continuing casualty reductions following the national 20mph default in 2023. Chair Adrian Berendt, Director, 20's Plenty for Us CIC Contributors: Sue Nicholls, Director, 20’s Plenty for Us , CIC Cllr Andrew Gant - Cabinet Member for Transport Management, Oxford County Council Adam O’Neill, Programme Development & Delivery Lead, Cornwall County Council   Darren Divall, Regional Road Safety Manager, Transport for West Midlands Phil Jones, Founder and Chair, Phil Jones Associates

us06web.zoom.us

It's interesting to see the 20 roundels in Spain where 30 is the default for single carriage urban roads and 20 is the exception where appropriate. Note we are talking km/h. So that's 18.6 and 12.4 mph

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The Welsh 20mph default is arguably the most successful road safety initiative this century. Winning international road safety awards, reducing casualties by 26% and insurance premiums. Yes, more should have been spent on engagement, but its a winning policy. www.20splenty.org/wales-pma-20mph

Welsh Government win Prince Michael International Road Safety Award for default 20mph

Welsh Government win Prince Michael International Road Safety Award for default 20mph

20splenty.org

Over 400 people have already registered for our 5th "Delivering 20" webinar at 12 noon on 22nd May 2026. The focus for this webinar will be on the role that 20mph could, indeed must, play in the Government's new Road Safety Strategy. You can register here.

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Our 5th free Webinar on Delivering 20 is coming up soon. Over 300 already registered. Register at

Welcome! You are invited to join a webinar: 20mph for Safer Streets: Evidence, Delivery and Impact. After registering, you will receive a confirmation email about joining the webinar.

The 5th in our Delivering 20 webinar series. Attendees will hear how lowering the speed limit from 30mph to 20mph in built up areas would make a significant contribution towards delivering the 65% (70% for children 16 and under) casualty reduction targets outlined in the Government’s Road Safety Strategy.   Hear councillors and officers from Local Highway Authorities report on how they have already delivered 20mph limits and the significant casualty reductions they are seeing. Learn about barriers to implementing 20mph and how the Government’s RSS can deliver a country-wide blueprint to deal with these barriers and protect all road users.     The webinar will also include a preview of the upcoming Vision Zero Conference in Birmingham on 30 June and the latest news from Wales on the continuing casualty reductions following the national 20mph default in 2023. Chair Adrian Berendt, Director, 20's Plenty for Us CIC Contributors: Sue Nicholls, Director, 20’s Plenty for Us , CIC Cllr Andrew Gant - Cabinet Member for Transport Management, Oxford County Council Adam O’Neill, Programme Development & Delivery Lead, Cornwall County Council   Darren Divall, Regional Road Safety Manager, Transport for West Midlands Phil Jones, Founder and Chair, Phil Jones Associates

us06web.zoom.us