Disclosed herein are a traffic prediction system, a vehicle-mounted display device, a vehicle, and a traffic prediction method. The traffic prediction system includes: a vehicle configured to detect a driving probability for at least one drivable route; and a server device configured to receive the driving probability for the at least one drivable route from the vehicle and calculate traffic for the at least one drivable route based on the driving probability for the at least one drivable route.
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