automatic train control

noun

A train protection system that involves a speed control mechanism in response to external inputs. For example, a system could effect an emergency brake application if the driver does not react to a signal at danger.

Similar
ATC
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Meanings

nounautomatic train control (uncountable)
  1. uncountablerail transportA train protection system that involves a speed control mechanism in response to external inputs. For example, a system could effect an emergency brake application if the driver does not react to a signal at danger.

    Plans are being made for automatic train control to be provided on the main traffic routes throughout the country. During the period 1956-1962, the following routes will be equipped: […].

    1957 January 29, “Modernisation Plan Progress”, in Railway Magazine, page 16

    Synonyms: ATC

Synonyms & antonyms

nounA train protection system that involves a speed control mechanism in response to external inputs. For example, a system could effect an emergency brake application if the driver does not react to a signal at danger.

Similar
ATC
Cite this entry
APA

automatic train control. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/automatic%20train%20control

MLA

“automatic train control.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/automatic%20train%20control. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “automatic train control,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/automatic%20train%20control.

Source: automatic train control on Wiktionary, CC BY-SA 4.0.