Driver-assistance control apparatus, driver-assistance control method, and driver-assistance control program criss reference to related document

A driver-assistance control apparatus which provides driving assistance for a selected vehicle using essential main information derived from the selected vehicle moving in an autonomous driving mode and sub-information delivered from a plurality of information source devices disposed on an autonomous driving road, the driver-assistance control apparatus comprising:

• an information obtainer which obtains position information about the selected vehicle;
• a search unit which searches a selected information source device which is one of the information source devices which has position information about the selected vehicle;
• and
• a determiner which works to check the position information, as derived from the selected information source device, against position information about the selected vehicle which is correct to determine whether the position information derived from the selected information source device is correct.