苏联铁路于1980年4月起实行修改后的新技术管理规程和信号细则(以下简称新技规和新信规)。原来的技规和信规系于1970年修订、1971年起实行。自1971年以来的近十年中,苏联铁路在技术装备、运营管理、运量要求各方面有了较大 The Soviet Union railway in April 1980 since the implementation of the revised new technology management procedures and signal details (hereinafter referred to as the new rules and new regulations). The original technical rules and regulations were revised in 1970 and came into force in 1971. In the nearly ten years since 1971, the Soviet Union railway has a large scale in terms of technical equipment, operation and management, and transportation requirements