> That being said redesigning cities is hard. It's not that hard, it's just time-consuming. Takes ~30 years. Roads/buildings/etc break down eventually, you jus

> That being said redesigning cities is hard. It's not that hard, it's just time-consuming. Takes ~30 years. Roads/buildings/etc break down eventually, you just need to incrementally design for the better new version instead of rebuilding the older version. Plenty of those European countries are doing it.