9 Stationary transmitters for transmitting information of interest to travelers, such as road, traffic and safety-related information, to vehicle-mounted receivers or transceivers; stationary transceivers for transmitting information of interest to travelers, such as road, traffic and safety-related information, to vehicle-mounted receivers or transceivers, and for receiving information from vehicle-mounted transmitters or transceivers; vehicle-mountable mobile receivers for receiving information of interests to travelers, such as road, traffic and safety-related information, from stationary transmitters or transceivers; vehicle-mountable mobile transceivers for receiving information of interests to travelers, such as road, traffic and safety-related information, and for communicating information about the vehicle to other mobile transceivers or receivers or to stationary transceivers or receivers; digital data transceivers that use radio waves, for vehicular applications; short range radios