A big problem is this sort of design makes it hard to walk between places. All travel involves going to the main road, going some distance down that and then fo

A big problem is this sort of design makes it hard to walk between places. All travel involves going to the main road, going some distance down that and then following a new branch. Queue route map that requires 10 minute drive to get to the "next block". Not too bad in you car but it means that you can't walk or bike anywhere unless they have put in paths between blocks. Means that if a 15-year-old kids wants an ice-cream their parent has to drive them to the corner store.