The unattended and non-stop high-speed dynamic weighing system governs the overload detection mode, detects the weight of cargo vehicles running normally on the carriageway, dynamically monitors whether the vehicle is overloaded according to the load limit set by the system, records and outputs the overload value and relevant data, and at the same time, a variable information board is configured on the F-pole in front of the vehicle, Automatically identify the vehicle license plate number and enter it into the management system, and prompt the overload vehicle alarm signal. Cooperate with the traffic signs on the roadside to guide illegal vehicles into the exit channel or static fine inspection management station, so as to effectively eliminate the entry of out of gauge vehicles. Provide strong technical support for the implementation of dynamic comprehensive overload management.