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.
excitation. 1. irritation or stimulation. 2. the addition of energy, such as excitation of a molecule by absorption of photons. direct excitation electrostimulation of a muscle by placing the electrode on the muscle itself. indirect excitation electrostimulation of a muscle by placing the electrode on its nerve.