ISO/TS 17426:2016

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ISO/TS 17426:2016 defines the "Contextual Speed Information Service" within the framework of Intelligent Transport Systems (ITS). This standard focuses on the exchange of speed information adapted to specific road and traffic conditions, rather than just a fixed speed limit. It specifies how road operators can provide this contextual speed information to vehicles, primarily through infrastructure-side calculations rather than within the vehicle itself.