(Representative Image/ PTI) The Communications-Based Train Control (CBTC) signalling work for the ... connecting Howrah with Sealdah, two of Eastern Railway’s busiest stations.

A Metro Railway engineer explained, "Green Line of Metro Railway, Kolkata, is the first corridor where CBTC signalling system has been commissioned for safe and automatic train operations." ...

Communications-Based Train Control (CBTC) signalling work for the entire Howrah Maidan to Sector V stretch of Kolkata Metro's East-West Metro began on Sunday, marking a historic step toward connecting ...