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What is a variable message sign (VMS)?

Word of the week: April 8th, 2022

What is a variable message sign (VMS)?

VMS or Variable Message Signs are dynamic LED signs which, in the traffic management industry, are used to inform road users and pedestrians of pertinent safety or instructional information. More advanced VMS can display both text and/or images.

Sometimes referred to as smart signs or even Dynamic Messaging Signs, VMS are an integral part of Intelligent Transport Systems (ITS). Typically, signs are used to inform road users about changing road conditions, but they can also be used in events management, utilities, sea and airports – anywhere the visual communication of information is required.

VMS are available in in a range of sizes depending on how far away the viewer needs to be able to read the information displayed.

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