Vehicle information acquisition apparatus, vehicle information acquisition system, vehicle information acquisition method, and vehicle information acquisition program

A vehicle information acquisition method comprising:

• executing vehicle authentication on a vehicle entering a preset range based on preset vehicle authentication information;
• integrating the number of vehicles passing after the vehicle passes when the vehicle authentication executed on the vehicle is successful;
• and
• notifying, when the vehicle authentication executed on another vehicle passing after the vehicle passes is successful, the other vehicle of the integrated number of vehicles.

A non-transitory computer readable medium storing a vehicle information acquisition program for causing a computer to execute:

• a process of executing vehicle authentication on a vehicle entering a preset range based on preset vehicle authentication information;
• a process of integrating the number of vehicles passing after the vehicle passes when the vehicle authentication executed on the vehicle is successful;
• and
• a process of notifying, when the vehicle authentication executed on another vehicle passing after the vehicle passes is successful, the other vehicle of the integrated number of vehicles.