Wireless terminal, the information distribution apparatus, information distribution system, vehicle identification method and program

A information that the user corresponding to the vehicle that rides and an object thereof is to ensure delivery to the user. An information distribution system of the present invention includes a plurality of radio equipment mounted in a plurality of vehicles, and a plurality of wireless terminals, the information distribution device. Each wireless terminal receives radio signals from the plurality of radio equipment, using a reception period of the received radio signal and reception strength, in particular vehicle from among a plurality of radio equipment that originated the radio signal identify the onboard radio equipment, it transmits the transmission data including the identification information indicating the identified radio equipment to the information distribution device. The information distribution device, each terminal transmission data including identification information indicative of vehicle the user is riding in the terminal represents a radio equipment that has received the radio signal received respectively, based on the received transmission data, It generates distribution data including information of each of the vehicle, to distribute the generated distribution data.