关键词: 平交道口, DX3型道口信号系统, 延时开放列车信号

Abstract: This paper proposes a new method of level crossing protection based on the DX3 level crossing signaling system. The requirement on the level crossing guard to confirm the completion of level crossing protection and the status of obstruction signals is added to the clearance conditions of train signals. Thus, the clearance conditions of train signals are controlled with the completion status of level crossing protection. When all the conditions are met, the proposed method can ensure traffic safety at the level crossing without delaying the clearance of train signals. Moreover, it greatly reduces traffic congestion pressure, improves the transport efficiency of railway trains and road vehicles, and upgrades the management level of railway level crossings. The proposed method is applicable to level crossings in stations and sections of single-track, double-track and multi-track lines with various types of traction interlocking and blocking systems.

Key words: level crossing, DX3 level crossing signaling system, delayed clearance of train signal