Why can Dijon, France plan, approve, and build a 12 mile tramway in 4 years, while it takes 13 years to build a 1 mile tram extension in Birmingham? Our new report, written with createstreets, explores how Britain can make building new tramways cheaper and faster. 🧵

This is really good news - well done Labour. It’s a good step towards greater density - adding extra floors in most of London is incredibly high value. I might even add one myself if I’m allowed! thetimes.com/uk/politics/ar….

My column in today's Financial Times: on how rich world states risk forgetting 'integration and social cohesion' between the twin imperatives of 'give voters what they want on reducing the number of immigrants' and 'fill vacancies and help the economy': ft.com/content/4d1d5f…

Taking a brief break from making charts to make a human. Apologies in advance for all the parenting dataviz to come.

The Economist just published a deeply-researched story about car bloat, and it's very, very damning: "For every life that the heaviest 1% of SUVs and trucks save, there are more than a dozen lives lost in other vehicles." Well worth your time: economist.com/interactive/un…