Anti-collision device for traffic transportation

The utility model discloses an anti-collision device for traffic transportation. The anti-collision device comprises a traffic anti-collision roadblock and a warning assembly. The traffic anti-collision roadblock comprises triangular supports, a protective fence, a movable bottom frame and a horizontal top frame, the triangular supports are connected with the left side and the right side of the protective fence, and the top ends of the two triangular supports are connected with the horizontal top frame; a movable bottom frame is connected between the two triangular supports, and movable rolling wheels are connected to the bottom end of the movable bottom frame. The warning assembly comprises a warning board, an angle adjusting assembly and a height adjusting assembly, and the warning board is connected with the triangular support through the height adjusting assembly, so that the warning board has an angle adjusting function and is convenient to fold and store; and the angle adjusting assembly is connected wi