Good new Challenger Cities episode today, all about autonomous vehicles and the bit that our guest, Bern Grush, thinks cities need to be thinking about more now.

Like them or not, robotaxis are coming to cities. And for all the spectacular technology that helps cars drive themselves, the have some meaty challenges ahead.

One of them being what happens when they interact with the curb. We've already seen how fleets of autonomous cars can create new forms of congestion, and we've seen tragic accidents come about as people open doors into the likes of passing cyclists.

A few years ago I was involved in a project for a big tech firm looking at this, but it was rather quickly mothballed as big automotive clients shooed them away from it.

The hardest part though was the orchestration layer between the operators of autonomous ...