| CPC H04W 4/90 (2018.02) [H04W 4/40 (2018.02)] | 11 Claims | 

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               1. A method for managing an emergency state of a first vehicle, implemented by a managing device, wherein the method comprises: 
            estimating a geographical area in which the first vehicle is able to be positioned for a given time period, 
                sending an alert message to at least one detecting element, positioned at a traffic lane, said at least one detecting element being able to be positioned in the first geographical area for the given time period, the alert message comprising an element of identification of the first vehicle allowing detection of the first vehicle by the detecting element, and 
                receiving a location message of the first vehicle, comprising at least one trajectory hypothesis and/or at least one future position hypothesis of the first vehicle, said location message coming from said at least one detecting element. 
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