Route determination system

A route determination system that determines a railroad route used by a user, the route determination system comprising:

• a distance calculation processing unit that calculates a distance from each of a plurality of pieces of positional information to a route, the plurality of pieces of positional information being acquired by a mobile communication terminal that is used by the user;
• a route identification processing unit that identifies a closest route on the basis of the calculated distances;
• a speed calculation processing unit that identifies the pieces of positional information of which the distance to the identified route is shorter than or equal to a predetermined threshold, and that calculates a moving speed between the pieces of positional information of which the distance to the identified route is shorter than or equal to a predetermined threshold or calculates a moving speed between the (0032) positions in the identified route, to which the identified pieces of positional information respectively correspond;
• and
• a route determination processing unit that, when the calculated moving speed satisfies a predetermined condition, determines that the user uses the identified route.