GB/T 34428.3-2017
ActiveCommunication rules of the devices of surveillance and control system for expressway—Part 3：LED changeable message sign
高速公路监控设施通信规程 第3部分：LED可变信息标志
Application Summary AI generated
GB/T 34428.3-2017 specifies the communication protocols and data exchange rules between LED changeable message signs and the central control system in expressway surveillance and control networks. It is applied in highway traffic management systems to ensure standardized data transmission for displaying real-time traffic information, warnings, or guidance messages. This standard is used by engineers and procurement professionals to guarantee interoperability and reliable communication across different manufacturers' equipment in expressway infrastructure projects.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.