A first augmented-reality (AR) device comprises an optical sensor, a geographic location sensor, an orientation sensor, and a display. The first AR device accesses a first geographic location of the first AR device and an orientation of the first AR device and generates a picture taken at the first geographic location of the first AR device and associated with the orientation of the first AR device. The first AR device retrieves, from a server, transportation information from a second AR device in a vehicle. The server assigns the second AR device to the first AR device. The first AR device forms transportation AR content based on the transportation information and displays the transportation AR content in the display based on the first geographic location and orientation of the first AR device, the transportation information, and the picture generated at the first geographic location of the first AR device.