Clever, and a lot of fun to play around with for a few minutes. It would be really impressive if they can analyze where overpasses are and include that in the

Clever, and a lot of fun to play around with for a few minutes. It would be really impressive if they can analyze where overpasses are and include that in the system. Right now you are able to drive off the side of an overpass onto the lower road. Google Maps certainly factors those kinds of things into its paths, so maybe these guys can find a way to integrate Google's data somehow.