Chinese Train Control System

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The Chinese Train Control System (CTCS) 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).[1]

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:

  • CTCS-0: Track Circuit + Cab Signalling + LKJ2000, [2]
  • CTCS-1: Track Circuit + Cab Signalling + LKJ2000 + Balise,[2]
  • CTCS-2: Track Circuit + Balise + ATP, the track circuit is used both for block occupation detection and movement authorization, its architecture is similar to TVM-300.
  • CTCS-3D: Track Circuit + Balise + ATP CTCS-3D is equivalent to the European ETCS Level-1
  • CTCS-3: Balise + GSM-R + ATP, using CTCS-2 as the backup system, [2] CTCS-3 is equivalent to the European ETCS Level-2 + CTCS-2.[3]
  • CTCS-4: Balise + GSM-R + ATP, moving block

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

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