In embodiments of the present invention improved capabilities are described for identifying locations of a plurality of automobiles using cell phone tower triangulation to locate a cell phone within each of the plurality of automobiles, and calculating a vehicle speed for each of the plurality of automobiles using the identified locations, and creating a traffic condition measure for a route in proximity to the locations. The computer program product may repeat this process in real-time to calculate a real-time traffic condition measure that may be used to predict a travel time, and may respond to a user's request with an audio alert on the user's cell phone that comes from a speaker on the cell phone that can also be combined with a wirelessly-enabled speaker in an automobile or a wirelessly-enabled headset. The audio alert may be displayed in conjunction with at least one navigation option pertaining to the route.