| 11. | At this time the GWR was developing its automatic train control ( ATC ) system.
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| 12. | Over time there have been many different safety systems labeled as " automatic train control ".
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| 13. | The Airport Line uses Alstom's CBTC ( communication-based automatic train control ) system, with driverless operations.
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| 14. | According to transit advocate Steve Munro, the SSE will be built to use only Automatic Train Control.
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| 15. | TASC is also compatible with automatic train operation ( ATO ) and automatic train control ( ATC ).
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| 16. | In 1977 the use of MF 67 rolling stock allowed the inauguration of Automatic Train Control on Line 12.
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| 17. | The report concluded that an " Automatic Train Control of the Warning type " would have prevented the collision.
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| 18. | The signals are the same as classic ones, but they are combined with automatic train control and cab signalling.
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| 19. | The station received automatic train control from 23 September 1982, and starting on 1 October 1982, the station became unmanned.
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| 20. | In 2009, the TTC awarded a contract to upgrade the signalling system of Line 1 Yonge-University to automatic train control.
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