Variable Message Signs Board
A variable message sign, is an electronic traffic sign often used on roadways to give travelers information about special events. Such signs warn of traffic congestion, accidents, incidents,
roadwork zones, or speed limits on a specific highway segment. A complete message on a panel generally includes a problem statement indicating incident, roadwork, stalled vehicle etc; a location
statement indicating where the incident is located; an effect statement indicating lane closure, delay, etc and an action statement giving suggestion what to do traffic conditions ahead. These
signs are also used for amber alert messages.