Chinese Train Control System


The Chinese Train Control System is a train control system used on railway lines in People's Republic of China. CTCS is fundamentally identical to the European Train Control System.
It has two subsystems: ground subsystem and onboard subsystem. The ground subsystem may based on balise, track circuit, radio communication network, and Radio Block Center. The onboard subsystem includes onboard computer and communication module.
CTCS has several levels:
Levels 2, 3, and 4 are back-compatible with lower levels.