GB/T 21381-2008 Coding rules for entity identification code of traffic management geographical information—City road

Scope

This standard specifies the basic rules for coding geographic information entities in urban road traffic management, the basic structure of the coding, and the coding rules for entities closely related to traffic control and management, such as road sections, intersections, traffic facilities along roads, and key units. This standard applies to the coding, marking, information processing, and information exchange of entities such as road sections, intersections, traffic facilities along roads, and key units in large, medium, and small cities across China during the urban traffic management process.

Development Information

Referenced Standards

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