A live map of the current location of all the trains in the London Underground has now been constructed - this is what I'd like to see on Calgary transit's LRT system. Then we will be able to watch drivers play "follow the leader" or "tag", where the lead train is the slowest at each station (as it has the most people getting on and off) and the trains behind it play "catch up" rather than staying back and keeping service evenly distributed. And don't tell me this doesn't happen, I see this very often as I walk past SAIT in the evening and see three or four trains head north within a period of less than 10 minutes - sometimes with only a single minute between trains.[1]