Vehicle-mounted apparatus, control server, method for collecting measurement data and program recording medium

A computer-readable, non-transitory program recording medium recording a program to

• allow a control server including a communication part capable of communication with a vehicle-mounted apparatus of a vehicle including a measurement part capable of measuring, by means of a sensor, a road surface state in which a vehicle travels, a importance calculation part that calculates importance of measurement data based on a predetermined importance determination policy, a transmission part capable of transmitting measurement data of the road surface state to a server, and a control part to execute
• process of evaluating a network band between it the vehicle and a server at a transmission destination of the measurement data, and
• process of notifying the vehicle-mounted apparatus of the vehicle of the network band, and
• allow the control part of the vehicle to control generation of the measurement data by the measurement part of the vehicle or measurement of the road surface state by the measurement part of the vehicle or transmission of the measurement data to the server by the transmission part of the vehicle based on the network band and importance of the measurement data.