1. Computer-readable media having computer-executable instructions embodied thereon that, when executed, facilitate a method of distributing traffic information, the method comprising: receiving traffic information at a server, wherein the traffic information indicates an event that is capable of affecting traffic at a certain location, and wherein the traffic information is authorized by a transportation authority for distribution; determining that, based on its location, a first mobile device is a candidate to receive an alert that is based on the traffic information; creating said alert; detecting a first condition that is associated with the first mobile device, wherein the first condition is used to indicate that the alert should be presented in an audio format; and distributing the alert to the first mobile device, such that the alert is presented in an audio format by the first mobile device.