Delcan’s Joe Lam, who managed the first computerised signal system in the world, provides an expert insight into adaptive signal control. There are no gadgets in the world that regulate our daily behaviour as much as traffic signals, except perhaps our mobile phones. It has been estimated that the daily commuter goes through at least 10 signals on his journey to work. However, unlike mobile phones, traffic signals cannot be ignored or switched off by their daily users, at least not without legal consequence