Method, device and system for judging traffic events cancellation

The embodiment of the invention provides a method, device and system for judging traffic events cancellation, which relates to the traffic information processing field and is capable of confirming the traffic events cancelling information in time accurately. The judging method comprises the following steps of: receiving the speed value V1 of the current event road link of the current event in each time stamp; receiving the speed value V2 of the entering road link that enters into the current event road link and is connected with the current event road link; receiving the speed value V3 of the quitting road link that quits from the current event road link and is connected with the current event road link; calculating the difference |V1-V2| between the V1 and V2; calculating the difference |V1-V3|between the V1 and V3; if the |V1-V2| being more than the preset first valve value and the |V1-V3| being more than the preset second valve value, confirming the cancellation of the traffic event of the current traffic event road link. The embodiment of the invention is used for judging whether to cancel traffic events or not.