The invention relates to the field of controlling road traffic, and particularly to a method for coordinated control in an intelligent traffic cloud control system, and in the method, a central system can perform global coordinated control, or a control server can perform local coordinated control, and if the control server performs local coordinated control, then the control server can distribute a pertinent coordinated control strategy for a particular condition in a service area, thus alleviating the burden on the central system, and reducing the overall amount of data information to be transmitted in the intelligent traffic system, and also shortening the period of time for transmitting the data information so as to improve the efficiency of generating and enforcing the coordinated control strategy, and to address the problem of a traffic jam at a crossing effectively in a real-time manner.
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