A warning sign for municipal construction, comprising a car plate (1), wherein an outer frame (2) is fixedly connected to the top of the car plate (1), and a storage battery (3) is arranged inside the outer frame (2); a first screw hole (4) is formed at the center of the side of the outer frame (2) that is away from the car plate (1), and an internal thread of the first screw hole (4) is connected to a telescopic rod (5); a warning light (6) is fixedly connected to one end of the telescopic rod (5) that is away from the first screw hole (4), and support frames (7) are fixedly connected to the outer surface of one end of the telescopic rod (5) near the warning light (6); the number of support frames (7) is three, and one end of the support frame (7) is fixedly connected to a rain shield (8). The present warning sign for municipal construction is provided with the warning light (6) to achieve the purpose of warning pedestrians. A universal wheel (19) is provided to facilitate movement. Support legs (15) are provided to achieve a good support effect. A warning board (10) is provided and navigation information is provided on the warning board (10), thus achieving the purpose of ease of use. An anti-collision plate (14) is provided to achieve a good anti-collision effect.
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