Deceleration strip installer for building construction road and installation method thereof

The invention discloses a deceleration strip installer for building construction roads and an installation method thereof. The deceleration strip installer comprises a moving vehicle, a guide mechanism used for calibrating the position of a deceleration strip is arranged in the moving vehicle, and the guide mechanism comprises a falling cavity with a downward opening; a through cavity communicating with the falling cavity is formed in the left inner wall of the falling cavity, the front inner wall and the rear inner wall of the falling cavity penetrate through the front end face and the rear end face of the moving vehicle, an opening of the through cavity is downward, and lifting cavities which are open downwards and communicate with the through cavity are formed in the front inner wall and the rear inner wall of the falling cavity correspondingly.In the process of laying the deceleration strip, the laying position is automatically positioned. Meanwhile, the stability of the deceleration strip is automaticall