New Delhi, April 29 (Inditop) The Delhi Metro Rail Corporation (DMRC) Thursday completed the construction of its deepest tunnel, built below the existing Metro tunnel at Rajiv Chowk in the heart of the capital.
“The breakthrough achieved today (Thursday) marked the completion of the deepest tunnel of the Delhi Metro, which has been built below the existing tunnel of Central Secretariat – Vishwavidyalaya line at Rajiv Chowk,” a DMRC statement here said.
The depth of the new tunnel is 45 metres and it passes 20 to 25 metres below the existing tunnel.
The construction of the 1,556-metre-long tunnel started at the New Delhi Railway station metro site in October 2008. This tunnel is a part of the 22.7-km-long Airport Express Link.