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.
Exhort is a 15th-century coinage. It derives from the Latin verb hortari, meaning to incite, and it often implies the ardent urging or admonishing of an orator or preacher. They came up with adhort and dehort. Adhort was short-lived and became obsolete after the 17th century.