VMS is a variable message system installed using a mechanical display board mounted on a steel structure. It is designed as a digital display to disseminate information to the public. The VMS can be found along the highways, in a common public area, at the Bus and Transit Stations which are visually accessible. VMS uses LED technology that is capable of generating alphanumeric symbols for text and graphic display. It complies with the Malaysia Highway Authority (MHA) guidelines.