MAP COLLECTION SYSTEM, MAP SERVER DEVICE, IN-VEHICLE DEVICE AND MAP COLLECTION METHOD

A map server device () transmits mapping software to an in-vehicle device () mounted on a measurement vehicle. The in-vehicle device receives the mapping software, acquires measurement data obtained by the measurement vehicle, generates map data by executing the mapping software by using the acquired measurement data as an input, and transmits the generated map data to the map server device. Then, the map server device receives the map data.