9 Downloadable software applications for use by road managers, public transportation operators, and potential passengers carpooling, for tracking, counting, and rating carpooling and access to parking lots; Downloadable software applications for detecting, counting and identifying carpooling vehicles; Downloadable software for managing means of transport; downloadable software for counting the number of occupants in the vehicles for controlling high-occupancy vehicles lanes or high-occupancy tolling lanes; data processing apparatus and computers for sending and broadcasting information to mobile users, particularly concerning the location of passengers for carpooling; downloadable computer software, namely, road management platforms, mobility management system, road data exchanges platforms used for tracking, counting and rating carpooling and access to parking lots; Electronic devices for vehicle and counting the number of occupants in the vehicles locating and tracking programmed to use GPS and cellular communications