An automatic travelling control system includes: a function determiner that determines a status of a function used for automatic travelling of a vehicle; a first notifier that provides a notification of the status of the function; a first abnormality detector that detects an abnormality in the notification of the status of the function; a second notifier that provides a predetermined notification when the abnormality in the notification of the status of the function is detected and it is determined that the function is normal; a second abnormality detector that detects an abnormality in the predetermined notification; a manual driving capability determiner that determines whether a user on board the vehicle can drive the vehicle manually; and a manual driving requester that requests the user to drive the vehicle manually when the second notifier provides the predetermined notification and it is determined that the user can drive the vehicle manually.