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.
exhalation. 1  The act or process of exhaling, or sending forth in the form of steam or vapor; evaporation. 2  That which is exhaled, or which rises in the form of vapor, fume, or steam; effluvium; emanation; as, exhalations from the earth or flowers, decaying matter, etc. 3  A bright phenomenon; a meteor.