To move a tool by extremely small number of workers at the time of requiring urgent matter, regulate the traffic of vehicles and persons by placing immediately, promptly store it by small number of workers when it is not necessary, and prevent a block of usual traffic.

Traffic of vehicles and persons are regulated by a traffic regulating tool 1 while moving and mounting the tool 1 when the tool 1 is necessitated. Then, the tool 1 is provided with lateral bars 2 which consist of a longitudinal blade spring compressedly rewound in a spiral shape when it is not necessary, a plurality of vertical bars 3 provided on the lateral bars 2 at predetermined interval, and locking belts 4 provided on an outer periphery of the lateral bars 2 rewound in the spiral shape. The locking belt 4 locks mutual end parts of the lateral bar when it is not necessary, and releases them when it is necessary.