Buster is the quickest, easiest way to find out just how long it is going to take a Chicago bus to get you on your way. Using data provided by the CTAs bus tracker system over your iPhone is EDGE, 3G, or WiFi connection, or your iPod touchs WiFi, Buster lets you know just how long you well be waiting to board. Want to grab a coffee but not sure if you well miss your morning bus? Need to decide which routes to take? Donot want to stand in the rain or snow a minute longer than you have to? Buster can help.