1. A system for identifying a road segment in digital maps, each map containing errors inherent in the reduced-scaling of the digital maps and/or depending on the kind of the digital maps, the digital maps including a first digital map and a second digital map, the first digital map being stored in a transmitting apparatus, the second digital map being stored in a receiving apparatus, the second digital map containing a different error from the first digital map, the system comprising: the transmitting apparatus that transmits the location information including a list of coordinates of points which indicates a road shape of a road segment on the first digital map; and the receiving apparatus that receives the location information from the transmitting apparatus and identifies the road segment on the second digital map by matching a road shape specified by the received location information with a road shape on the second digital map.