JT/T 412-2000 in English

本标准规定了全国国道的主要控制点的编号与代码。
本标准适用于公路建设、养护、运营、管理等部门和单位对国道上主要控制点信息的处理与交换;亦适用于相关行业及信息媒体对国道上主要控制点信息的标识。

Scope

This standard specifies the numbers and codes of the main control points of national highways across the country. This standard applies to the processing and exchange of information on major control points on national highways by highway construction, maintenance, operation, management and other departments and units; it also applies to the identification of information on major control points on national highways by related industries and information media.