WORK MANAGEMENT SYSTEM

PROBLEM TO BE SOLVED: To manage a progress state of work performed widely outdoors in real time. SOLUTION: This system comprises an on-vehicle device 10 loaded on a snow removal working vehicle for transmitting millimeter waves including vehicular ID information specific to the vehicle, a plurality of ground devices 20 installed on a plurality of predetermined places on a road for transmitting work information including the received ID, the positional information of the vehicle itself and time information when receiving the millimeter waves from the on-vehicle device 10, and a management device 30 for managing the progress state of work of the respective snow removal working vehicles on the basis of work information transmitted from the ground devices 20. Management information of the management device 30 is carried on a homepage of a server 41 on the Internet 40 and can be retrieved by a terminal device 42 of user. COPYRIGHT: (C)2003,JPO