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Tube leaving the platform at an underground station in London.

CBTC – Communication Based Train Control

CBTC is a signaling system which enables trains to detect their own position and which uses two-way radio communication between onboard and wayside equipment. In addition it reduces wayside signaling equipment (e.g. signals, etc.) and allows high-density operation by utilising moving block technology.

// On-board network

// Wayside network

// Radio communication network

Features (Click for details)


The CBTC system is the foundation of safe and stable transportation, and it also achieves advanced train operation and control.

Reduction of wayside equipment

Cost reduction by reducing wayside signals and other signaling equipment.

Efficient train traffic

High-density train operation via moving block section control.

Highly-reliable wireless transmission

Mitsubishi Electrics CBTC radio system with advanced wireless transmission technologies guarantees highly available train-wayside communication for urban areas.

Energy saving

Economic driving effectively reduces energy consumption without increasing the running time between stations.

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Mitsubishi Electric Europe B.V.
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Mitsubishi Electric Europe B.V.
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