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New Developments

Mobile Variable Message Signs

Mobile electronic VMS are used to provide real-time information at locations where fixed VMS are not available.

Although these units operate in isolation to the national network of VMS they are governed by the same rules.  Mobile VMS can only display authorised legends as prescribed in the 'Policy and Procedures for the use of Variable Message Signs by the Regional Control Centres' document.  Under no circumstances can mobile VMS units display pictograms or scrolling text.

In certain circumstances, mobile VMS are less legible than static signs and therefore the use of mobile VMS does not fulfil any obligation to provide static signing.