This standard stipulates the main principles and basic structure of the coding of urban geographic elements, and specifies the coding rules and code structure of urban roads, road intersections, neighborhoods, and municipal engineering pipelines. This standard is applicable to the coding system for geographic elements such as urban roads, road intersections, neighborhoods, and municipal engineering pipelines in large, medium, and small cities across the country. The coding of other geographic elements can also be used as a reference.
GB/T 14395-2009 history
2009GB/T 14395-2009 Coding rules for urban geographical features.City roads,road intersections,blocks and municipal pipe lines
1993GB/T 14395-1993 Urban geographical feature--City road, road intersection, block and municipal piping system rules for coding structure