1 For instance, TrafficLights.com has a variety of lights that can cost $159 to $379. 2  According to the Arizona Department of Transportation, a modern traffic signal can cost $80,000 to $100,000 to install, depending on the complexity of the location and the characteristics of the traffic in the area.
exhortation-a communication intended to urge or persuade the recipients to take some action. communicating, communication-the activity of communicating; the activity of conveying information; they could not act without official communication from Moscow.
expletive. 1  an interjectory word or expression, frequently profane; an exclamatory oath. 2  a syllable, word, or phrase serving to fill out. 3  Grammar. a word considered as regularly filling the syntactic position of another, as it in It is his duty to go, or there in There is nothing here.