| Letter No. | Date | Subject |
|---|---|---|
| 2025 | ||
| 2018/Sig/LX/2 | 04.08.2025 | Regarding LC Gates working |
| 2024 | ||
| 2010/Sig/LX/2 | 18.11.24 | Regarding Interlocking of Level Crossing Gates |
| 2023 | ||
| 2022/Sig/33/1/SEM/Misc | 31.03.2023 | Addendum and Corrigendum Slip No. 1 of the IRSEM, July 2021 – Para no. 9.2.1, 9.2.2, 22.3.1 |
| 2020 | ||
| 2018/sig/LX/2 | 12.11.2020 | Reliability improvement measure at interlocked LC Gates – Provision of Sliding Booms at mid section Interlocked LC Gates |
| 2019 | ||
| 2018/Sig/LX/2 | 11.11.2019 | Reliability Improvement measures at Interlocked LC gates – Provision of Sliding Booms. |
| 2010/Sig/LX/2 | 13.06.2019 | Installation of Additional Safety Gears at Manned Level Crossing Gates. |
| 2018/Sig/7/6-RVNL/1 | 14.08.2019 | Sliding Boom for Level Crossings Standaridzation |
| 2018 | ||
| 2017/Sig/WP/Misc. | 26.03.2018 | Interlocking of manned level crossings with high TVUs. |
| 2014/Sig/LX/2 | 16.04.2018 | Interlocking of mid sections Manned level crossings. |
| 2015/CE-II/CS/2 | 08.05.2018 | Correction Slip No. 144 to the Indian Railways Permanent Way Manual. |
| 2017/SIG/WO/Misc. | 10.05.2018 | Interlocking of Manned level crossing with high TVUs. |
| 2010/Sig/LX/2 | 18.05.2018 | Interlocking of LC Gates. |
| 2009/Sig/GR/1/Pt.1 | 11.06.2018 | Correction Slip No. 143 to the Indian Railways Permanent Way Manual. |
| 2016 | ||
| 2012/Sig/PCDO/Misc | 21.12.2016 | Inclusion of Electrical Lifting Barriers (nos.) in Asset details of PCDO. |
| 2010 | ||
| 2009/CE-1/LX/116 | 21.12.2010 | Manning and Interlocking of unmanned Level Crossing gates in Automatic Territory. |
| Source : Ministry of Railways (Railway Board) CMS Team Last Reviewed on: 30-09-2025 | ||