Early warning and monitoring device for highway traffic engineering construction

The utility model discloses an early warning monitoring device for highway traffic engineering construction, which comprises a support and a monitoring main body, the monitoring main body is arranged at the top of one end of the support, a rotating seat is arranged between the support and the monitoring main body, the monitoring main body is fixedly arranged at the top of the support through the rotating seat, and the monitoring main body is arranged on the support. A connecting wire is arranged at one end of the monitoring main body, and an anti-falling sleeve is arranged at the inserting position of the connecting wire and comprises a first half cover and a second half cover; a buckle structure is arranged on a connecting line of the monitoring device, the buckle can ensure the stability of a connecting line inserting position, prevent the inserting position from falling off, ensure the sealing performance of the inserting position and prevent the inserting position from being affected with damp and short c