TRAFFIC INDEX GENERATION DEVICE, TRAFFIC INDEX GENERATION METHOD, AND COMPUTER PROGRAM

摘要

The present invention pertains to a device (a roadside relay device 2) for generating a traffic index used in controlling traffic signals. This device is equipped with: a storage unit 24 for storing region coordinates information for the purpose of forming a prescribed region on a road; a communication unit 21 for receiving probe information S5 including time information and a vehicle position for a traveling vehicle 5; and a control unit 23 for generating a traffic index on the basis of the region information and the probe information.