A road status data providing system includes a server for transmitting/receiving
data via a communication line and a plurality of vehicle terminals. The server
includes a transmitting/receiving unit for transmitting/receiving data to and from
the plurality of vehicle terminals, a vehicle trend management database for managing
vehicle trends of the plurality of vehicle terminals, and a totaling unit for totaling
status data indicative of a status of vehicles at a prescribed point on the basis
of the vehicle trend management database. Each of the vehicle terminals includes
a transmitting/receiving unit for transmitting/receiving data to and from the server,
a present position determining unit for determining the present position of the
vehicle, and a creating unit for creating status data requesting information for
acquiring the status data at the prescribed point.