The present invention is a U-turn the vehicle in the opposite lane by turning open and close when a large traffic accident occurs on the road or when the road is destroyed due to natural disaster or when the cut slope located near the road is unable to achieve normal communication. Alternatively, the present invention relates to a retractable road center separator for making an emergency u-turn operation in an emergency by making a retractable road divider that can bypass, minimizing vehicle delays in case of an accident and promoting normal operation.;Particularly, when a large traffic accident occurs in various places around the road center separator that is fixedly manufactured, or due to natural disaster, the road is destroyed or the cut slope located around the road is slid, and when the situation where normal communication cannot be achieved, It is characterized by the installation of a retractable road central separator that can bypass the U-turn vehicle in the opposite lane.
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