We all recognize the importance of reflectivity on the signs and safety devices that line our Highways and Roadways and the value it serves to the motoring public. However, reflectivity may not be enough to raise awareness where awareness is critical. This is why TraffiCalm and Traffic Control professionals alike have long recognized that certain sign situations are more critically important than others. Some signs simply cannot be ignored. There has been a growing need in the industry for a simple and affordable way to retrofit existing signs with additional levels of warning for those situations that demand them and to do this in such a way that the additional alert system can be motion activated to conserve power and extend the life of the LEDs.