Chinese Train Control System

The Chinese Train Control System (CTCS, simpl.chinese: 中国列车控制系统) is a train control system used on railway lines in People's Republic of China. CTCS is similar to the European Train Control System (ETCS).

It has two subsystems: ground subsystem and onboard subsystem. The ground subsystem may based on balise, track circuit, radio communication network (GSM-R), and Radio Block Center (RBC). The onboard subsystem includes onboard computer and communication module.

CTCS has several levels:

Levels 2, 3, and 4 are back-compatible with lower levels.

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