Invention is provided for navigation and orientation for all types of passengers traveling in public transportation. Segmentation methods for digital advertising based on location and number of passengers. Method for delivering audio and visual advertisements in real time into public transportation vehicles. Method for delivering public transportation positioning information, including arrival times, remaining times, past and future stops, stop numbers, current position, street and neighborhood names, waypoints, connections with other public transportation means, and news headlines. Method for embedding advertisements in any form, including banners, skins, pop-ups, video, audio, text and animation, in information screens inside public transportation.