The Copenhagen Metro[1] have been running driverless for a decade. It was the first metro in Copenhagen. Had there been a legacy system to replace I doubt it wo

The Copenhagen Metro[1] have been running driverless for a decade. It was the first metro in Copenhagen. Had there been a legacy system to replace I doubt it would have been made driverless. It is properly due to the general "conservatism" (vested interests, old ways of doing it) in established systems. It takes a certain power to disrupt this. [1]: https://en.wikipedia.org/wiki/Copenhagen_Metro https://en.wikipedia.org/wiki/Copenhagen_Metro