An operation management apparatus operates one or more vehicles by automated driving. The operation management apparatus includes a controller configured to predict, for each vehicle based on operation plan data, a time point at which driving is switched from automated driving to manual driving, identify, as a target vehicle, a vehicle for which time until the predicted time point is less than a threshold value, acquire vehicle data and/or operation record data, determine, based on the acquired vehicle data or the acquired operation record data, one or more types of abnormality having occurred in the target vehicle, designate, from among a plurality of workers according to the determined types of abnormality, a first worker who is to perform a maintenance operation on the target vehicle at a site near the target vehicle, and notify the first worker of information that prompts the first worker to take care of the abnormality.