Abstract: A lighting device is provided for removably attaching on a Stop/Slow sign paddle to provide enhanced visibility and safety. The lighting device includes a front box member that has at least one strip of red colored LED lights on its front side to be positioned below STOP sign of the paddle, a back box member having at least one strip of green colored LED lights on its front side to be positioned below the SLOW sign of the paddle, a clamp connecting the front box member and the back box member and having a central hollow region through which said pole of the paddle passes through, a means of connecting the clamp to said pole, a white colored LED light mounted adjustably on top side of front box member, a white colored LED light mounted adjustable on top side of back box member, and at least one battery to power the LED lights.