A road condition management method comprises the following steps: acquiring geographic location information sent by at least one roadblock device, wherein the geographic location information includes the geographic location of the at least one roadblock device sending the geographic location information; storing the acquired geographic location information of the at least one roadblock device in a storage unit of a road condition management device; and generating road condition prompt information about a region to be queried according to the geographic location information stored in the storage unit and sending the road condition prompt information to an electronic device in response to a query request sent by the electronic device and including the region to be queried. The invention further discloses a roadblock device, a road condition management device, and a road condition management system. By adopting the roadblock device, the road condition management device, the road condition management system and the road condition management method of the invention, information of a faulty road can be acquired by users in advance.
Roadblock device, road condition management device, road condition management system, and road condition management method
2015-07-01
Patent
Elektronische Ressource
Englisch
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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