Disclosed herein is a traffic control apparatus and method. The traffic control apparatus includes a navigation route database (DB) for storing navigation routes of a vehicle for respective navigational situations. A vehicle situation information collection unit collects current navigational situation information of the vehicle. A preferred route extraction unit extracts a preferred navigation route of the vehicle corresponding to the collected current navigational situation information from the navigation route DB. A predicted route estimation unit estimates a predicted navigation route of the vehicle based on the extracted preferred navigation route with reference to a traveling state of the vehicle.