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Indian railways to install ‘Trinetra’ to combat dense fog

Beginning January, the Indian Railways is installing a new device, ‘Trinetra,’ meaning the ‘Third Eye’ on passenger trains to allow full speed in dense fog without compromising on safety.  Trial runs will be conducted on 100 trains. All trains on the Northern Railway, which are most afflicted by the fog, will be equipped with this device before next winter.

The device, developed in-house by the mechanical wing of the Railways, uses infra-red and laser rays to detect any object on the tracks up to a distance of two km and display the information on a screen fitted inside the locomotive. It also detects any minor damage or crack in the tracks, thereby averting rail accidents.

Officials said during the trial the device successfully detected the presence of small objects on the track at least 500 metres in advance, as also minor defects in the track, to enable the loco pilot to stop the train at a safe distance. The trial has been on since last year and its working has been also demonstrated to the Prime Minister’s office, they said.


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