AS 4852.2:2019 PDF
This Standard specifies the requirements for the design, construction, performance and certain aspects of the installation of electrically powered variable message signs, including their associated control systems.
This Standard covers electrically powered, on-road, variable message signs (VMS) used for traffic management and/or driver information applications. Part 1 of this series covers fixed signs, where the display is mounted in a permanent position above or adjacent to the roadway. Part 2 of this series covers portable signs, where the display is mounted and deployed on a re-locatable trailer.