Manual intersection control, traffic lights and roundabouts can be seen as exemplars of the three main coordination modes: leader, platform, and protocol. But, unlike traffic regulation, where there is a data-supported general agreement that the roundabouts are the most efficient and effective way, that is far from being the case in other situations of coordination and governance.
Leader, Platform, Protocol
Manual intersection control, traffic lights and roundabouts can be seen as exemplars of the three main coordination modes: leader, platform, and protocol. But, unlike traffic regulation, where there is a data-supported general agreement that the roundabouts are the most efficient and effective way, that is far from being the case in other situations of coordination and governance.