GB/T 33171-2016
ActiveSpecification for urban traffic performance evaluation
城市交通运行状况评价规范
Application Summary AI generated
This standard specifies the evaluation indicators, data collection methods, and grading criteria for assessing the performance of urban road traffic systems, including metrics like travel speed, congestion duration, and delay index. It is applied by Chinese city transportation bureaus and planning departments to monitor, compare, and improve traffic operations in metropolitan areas, supporting policy-making and infrastructure investment decisions. The standard is used for routine performance reporting and long-term urban mobility management across all vehicle types and road classes.
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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.