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