BS AU 145b:1989 - Specification for retroreflecting number plates
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BS AU 145b:1989 is another British Standard specification, but this one pertains to retroreflecting number plates. Retroreflective number plates are those designed to reflect light back to its source, commonly used on vehicles to enhance visibility, especially during low-light conditions or at night. This standard specifies the requirements for retroreflecting number plates used on vehicles. It covers aspects such as design, construction, materials, dimensions, visibility, durability, and testing criteria for these plates. The specification likely includes requirements for the type of reflective material used, the size and positioning of characters and symbols on the plate, the color and contrast for optimal visibility, as well as durability standards to ensure the plates remain legible and effective over time. Adhering to standards like BS AU 145b:1989 ensures that retroreflecting number plates meet certain quality and visibility standards, providing assurance to vehicle owners, manufacturers, and regulatory authorities regarding their effectiveness in enhancing road safety.
