New Delhi: Anti Collision Device (ACD) has been provided as a pilot project on 1736 route kilometers and 548 Locomotives on Katihar – Kukmedpur-New Jalpaiguri – Guwahati – Lumding –tinsukia –dibrugarh – Ledo and Kumedpur – Malda sections of Northeast Frontier Railway (NFR) and it has been in service trials since 2006.
On Board Train Protection and Warning System (TPWS), which eliminates collisions/accidents caused by human error leading to Signal Passing at Danger and or over speeding. The pilot project on suburban section of Southern Railways, i.e. between Chennai Central and Gummidipundi (50 route kms) has been commissioned and is operational on 82 motor coaches of Electrical Multiple Units (EMUs) and another pilot project of TPWS on non-suburban section on Delhi-Agra section (200 Route kms) of North Central Railway has also been commissioned and service trials are in progress with 35 locomotives. Operational trials of TPWS have also commenced on 25 Route Kms of Kolkata Metro.
Train collision Avoidance System (TCAS) is being developed indigenously by Research Designs & Standards Organisation (RDSO). It incorporates collision prevention as well as protection against Signal Passing at Danger (SPAD) by loco pilot. The specification of TCAS has been firmed up by RDSO and proof of concept trials were carried out during October/November 2012. Extended trials on 250 kms section on South Central Railway have been planned for which tenders have also been finalized by RDSO. Based on success of extended trials, further development on Indian Railways is likely to be considered.
This information was given by the Minister of State for Railways Shri Adhir Ranjan Chowdhury in written reply to a question in Lok Sabha today.