The system dynamic message signs the message. Use in data communication between control centres for traffic with a particular user, in case that there is an emergency or an accident occurred on the Expressway. By notification of alert messages via a computer to send a message to display this label. So that people driving vehicles added extra caution before it reaches the point of incident or need.That way, the user will be redirected to or out of the Expressway in the case of a serious accident. Signs the message is of type Matrix Full Color LED Board has 2 size is large. Display a message on the road, and a small installation before entrance to the expressway, which designed a point installed. The entrance and the exit of Dan toll of about 4 points, and in the main line between the. About 4 points.
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