• Source:JND
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Kolkata Metro Update:  Services along the Metro Railway's East-West corridor in Kolkata will be interrupted for four days beginning Thursday for a communication trial, according to a statement issued on Wednesday.

The testing will occur once the tunneling between Esplanade and Sealdah stations is completed.

According to the statement, the four-day suspension will be the first of two consecutive phases, with the second set for February 20 to 23.

During that time, train services along the whole Green Line from Howrah Maidan to Salt Lake Sector V would be suspended to allow for comprehensive testing of the cutting-edge Communication-based Train Control (CBTC) technology.

"On successful completion of tunneling work between Esplanade and Sealdah stations, Metro Railway Kolkata is going to grant complete traffic block in two spells starting from tomorrow and again from February 20 to 23 for testing of the Communication Based Train Control (CBTC) System on the entire Green Line Metro corridor from Howrah Maidan to Salt Lake Sector-V," the statement read.

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'Traffic block' refers to the suspension of train service in Metro Railway terminology. Metro services are now available along the line between Sealdah and Sector-V and Howrah Maidan and Esplanade.

Services could not start along the 2.5-km Esplanade-Sealdah stretch of the 16.6-km East-West corridor because of a cave-in during tunneling work at Bowbazar along the Esplanade-Sealdah stretch, seepage of underground water in September 2019 when the boring machine struck an aquifer, and at least two more similar incidents in the following years.