A road-vehicle communication system comprising: a vehicle-mounted device mounted on a traveling vehicle; a plurality of roadside apparatuses that perform short-range communication with the vehicle-mounted device; and a center apparatus that is communicably connected to the roadside apparatuses and transmits content information to the vehicle-mounted device via the roadside apparatuses, wherein identification information for identifying each of the plurality of roadside apparatuses is given to the plurality of roadside apparatuses, the center apparatus transmits the identification information concerning a first road-side apparatus among the roadside apparatuses via the plurality of roadside apparatuses as first identification information, and, together with the content information, transmits, as second identification information, the identification information concerning a second road-side apparatus via which the vehicle is expected to travel to reach a destination if the vehicle is traveling in a traffic lane where the first roadside apparatus is installed, and the vehicle-mounted device comprises a receiving unit that receives the first identification information from the center apparatus, and a storage unit that stores the first identification information received by the receiving unit, characterized by a control unit that performs control to reproduce the content information in a case where it is determined that the first identification information stored in the storage unit is included in the second identification information, performs control not to reproduce the content information in a case where it is determined that the first identification information stored in the storage unit is not included in the second identification information, and performs control to reproduce the content information irrespective of whether or not the first identification information stored in the storage unit is included in the second identification information, in a case where it is determined that the content information is emergency information. a vehicle-mounted device mounted on a traveling vehicle; a plurality of roadside apparatuses that perform short-range communication with the vehicle-mounted device; and a center apparatus that is communicably connected to the roadside apparatuses and transmits content information to the vehicle-mounted device via the roadside apparatuses, wherein identification information for identifying each of the plurality of roadside apparatuses is given to the plurality of roadside apparatuses, the center apparatus transmits the identification information concerning a first road-side apparatus among the roadside apparatuses via the plurality of roadside apparatuses as first identification information, and, together with the content information, transmits, as second identification information, the identification information concerning a second road-side apparatus via which the vehicle is expected to travel to reach a destination if the vehicle is traveling in a traffic lane where the first roadside apparatus is installed, and the vehicle-mounted device comprises a receiving unit that receives the first identification information from the center apparatus, and a storage unit that stores the first identification information received by the receiving unit, a receiving unit that receives the first identification information from the center apparatus, and a storage unit that stores the first identification information received by the receiving unit, characterized by a control unit that performs control to reproduce the content information in a case where it is determined that the first identification information stored in the storage unit is included in the second identification information, performs control not to reproduce the content information in a case where it is determined that the first identification information stored in the storage unit is not included in the second identification information, and performs control to reproduce the content information irrespective of whether or not the first identification information stored in the storage unit is included in the second identification information, in a case where it is determined that the content information is emergency information.