Traffic information providing apparatus and method for performing traffic information alarm function about interesting area

A traffic information providing apparatus and method for performing a traffic information alarm function about an interesting area are provided to enhance user convenience by effectively using real-time traffic information on the interesting area. A real-time traffic information receiver(130) receives real-time traffic information. A speed information management data base(110) detects the real-time traffic information and stores/manages the detected real-time traffic information. An interesting area information management data base(120) stores an interesting area and alarm generating information of the interesting area. An interesting management unit(150) records the interesting area to the interesting area information management data base and sets alarm generation conditions. An interesting area alarm generating unit(160) generates alarm data based on the real-time traffic information and the alarm generation conditions. A display unit(180) displays the real-time traffic information and the alarm data.