31 March 2016 Middle East

Qatar metro tunnel breakthrough

The 11.3km Red Line tunnel on which boring began in July 2014 for the Doha metro in Qatar achieved breakthrough on 21 March. Four tunnel boring machines were used on this project. The northern section of the Red Line, with nine stations – seven below ground – is reportedly 70% complete. The 41km Red

This content is for Premium Subscribers only. To view this content, login below or subscribe as a Premium Subscriber.

Premium Content

Related News Articles