Highway LED multifunctional information board

The utility model relates to the technical field of expressway LED multifunctional information boards, and discloses an expressway LED multifunctional information board which comprises a fixing frame, an LED information board body is fixedly installed on the inner wall of the fixing frame, a stepping motor is fixedly installed on the inner wall of the fixing frame, and a rotary disc is fixedly installed at the power output end of the stepping motor. A solar panel is fixedly installed on the upper surface of the rotating disc, a sun tracking sensor is fixedly installed on the upper surface of the solar panel, an air extracting pump is fixedly installed on the inner bottom wall of the fixing frame, the input end of the air extracting pump penetrates through the fixing frame and extends to the right side of the fixing frame, and the output end of the air extracting pump fixedly communicates with a three-way pipe. According to the utility model, the sun tracking sensor can sense the illumination position of the s