Communications-based train control

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Notion

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Science and technology

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What Wikipedia says

Communications-based train control (CBTC) is a railway signaling system that uses telecommunications between the train and track equipment for traffic management and infrastructure control. CBTC allows a train's position to be known more accurately than with traditional signaling systems.

Excerpt from the Wikipedia article “Communications-based train control”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Israel.abad, CC BY-SA 3.0, via Wikimedia Commons.