Southern Railway becomes the first zone in Indian Railways to complete 100 per cent Automatic Block Signalling work on Golden Quadrilateral/Golden Diagonal (GQ/GD), which covers 275 km in the zone including Chennai-Renigunta (134 km) and Chennai – Arakkonam (141 km) routes

As of June 15, the ABS has been successfully commissioned in the Puttur – Pudi section under Chennai Division covering over 33 km (18.73 km UP & 14.36 km DN lines) along with provision of Electronic Interlocking System at Tadaku station with RDSO standard circuits, a statement from Southern Railways said.

With this, automatic signalling is now commissioned from Chennai to Renigunta enabling seamless and more efficient train operations all the way up to Tirupati. The first trains to be operated on the newly signalled section were Train No. 17652 Kacheguda – Chengalpattu Express (UP direction) from Pudi and BCN Goods train (DN direction) from Puttur on June 15, the release said.

Published on June 16, 2025