Section 20(1) in The Bangalore Metro Railway (General) Rules, 2011
(1)(i)Main line signaling is controlled from an Operations Control Centre and operates normally under automatic control with routes being set and train intervals regulated by computer control;(ii)the Traffic Controller shall be responsible for maintaining the services at the scheduled level as far as practicable and for restoring the train services following a delay or disruption;(iii)the Traffic Controller at the Operations Control Centre may adjust the timetable and may intervene manually to set and clear routes if the timetable needs to be varied or in the event of a major disruption;(iv)normally signaling system shall permit only one train at a time in one Tunnel Ventilation Section, more than one train in one Tunnel Ventilation section can be sent only in case of emergencies, and in a case the Traffic Controller decides to send additional trains in a Tunnel Ventilation section already occupied by a train, he shall set the route manually for additional trains and shall advise train operators about this before authorizing them to proceed;(v)the Traffic Controller, if required, may hand over control of the signals at specific station to the Station Controller and a local control panel or work-station shall be provided in the station control room for this purpose;(vi)the handover takes place automatically if there is a loss of control of individual stations from Operations Control Centre;(vii)in case of complete failure of control from Operations Control Centre, the entire control may be transferred to a backup control centre at an alternate location, which may be at separate locations for traffic control and control of traction power;(viii)the Traffic Controller shall have control of all routes on the main line outside of depots.(ix)train movement shall normally be under computer control but the Traffic Controller has the capability of setting routes manually and of setting individual points, if necessary.
